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Best Selling Genuine Chevrolet Heater Cores

  • We Stock the following top leading brands, including Metrix, TYC, ACDelco
  • Constantly Updated Inventory of Chevrolet Replacement Heater Core Parts
Metrix
1998 Chevrolet Blazer HVAC Heater Core Metrix

P311-556498B    W0133-1619360  New

Qty:
$80.43
Metrix HVAC Heater Core
Brand: Metrix
This Product is Eligible for Free Ground Shipping
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Vehicle
1998 - Chevrolet Blazer
TYC
1996 Chevrolet Astro HVAC Heater Core TYC

P311-4FE2303    W0133-1687780  New

Qty:
$111.87
TYC HVAC Heater Core
  • For Main Heater
Brand: TYC
Free Ground Shipping on this item
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Vehicle
1996 - Chevrolet Astro
TYC
2005 Chevrolet Cobalt HVAC Heater Core TYC

P311-3A10B7B    W0133-1880202  New

Qty:
$115.23
TYC HVAC Heater Core
Brand: TYC
Free Ground Shipping on this item
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Vehicle
2005 - Chevrolet Cobalt
Metrix
1999 Chevrolet Express 1500 HVAC Heater Core Metrix

P311-4F8579C    W0133-1690861  New

Qty:
$87.33
Metrix HVAC Heater Core
  • Heater
Brand: Metrix
This Product is Eligible for Free Ground Shipping
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Vehicle
1999 - Chevrolet Express 1500
Metrix
1998 Chevrolet Express 2500 HVAC Heater Core Metrix

P311-4F8579C    W0133-1690861  New

Qty:
$87.33
Metrix HVAC Heater Core
  • For Main Heater
Brand: Metrix
This Product is Eligible for Free Ground Shipping
Additional Fitment Information:
Vehicle
1998 - Chevrolet Express 2500
Metrix
2011 Chevrolet Express 1500 HVAC Heater Core Metrix

P311-4F8579C    W0133-1690861  New

Qty:
$87.33
Metrix HVAC Heater Core
  • For Primary HVAC
Brand: Metrix
This Product is Eligible for Free Ground Shipping
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Vehicle
2011 - Chevrolet Express 1500
Metrix
2010 Chevrolet Express 4500 HVAC Heater Core Metrix

P311-4F8579C    W0133-1690861  New

Qty:
$87.33
Metrix HVAC Heater Core
Brand: Metrix
This Product is Eligible for Free Ground Shipping
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Vehicle
2010 - Chevrolet Express 4500
Metrix
2000 Chevrolet Impala HVAC Heater Core Metrix

P311-231BE66    W0133-1683943  New

Qty:
$85.12
Metrix HVAC Heater Core
Brand: Metrix
This Product is Eligible for Free Ground Shipping
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Vehicle
2000 - Chevrolet Impala
Metrix
2003 Chevrolet SSR HVAC Heater Core Metrix

P311-2FCC623    W0133-1764011  New

Qty:
$115.80
Metrix HVAC Heater Core
Brand: Metrix
Free Ground Shipping on this item
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Vehicle
2003 - Chevrolet SSR
Metrix
2005 Chevrolet Equinox HVAC Heater Core Metrix

P311-21B7306    W0133-1772458  New

Qty:
$178.79
Metrix HVAC Heater Core
Brand: Metrix
Free Ground Shipping on this item
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Vehicle
2005 - Chevrolet Equinox
Metrix
1992 Chevrolet C1500 Suburban HVAC Heater Core Metrix

P311-427B6C2    W0133-1941315  New

Qty:
$71.77
Metrix HVAC Heater Core
  • Heater
Brand: Metrix
This Product is Eligible for Free Ground Shipping
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Vehicle
1992 - Chevrolet C1500 Suburban
Metrix
1994 Chevrolet Blazer HVAC Heater Core Metrix

P311-427B6C2    W0133-1941315  New

Qty:
$71.77
Metrix HVAC Heater Core
Brand: Metrix
This Product is Eligible for Free Ground Shipping
Additional Fitment Information:
Vehicle
1994 - Chevrolet Blazer
Metrix
1988 Chevrolet K1500 HVAC Heater Core Metrix

P311-427B6C2    W0133-1941315  New

Qty:
$71.77
Metrix HVAC Heater Core
  • with Heavy Duty Heater
Brand: Metrix
This Product is Eligible for Free Ground Shipping
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Vehicle
1988 - Chevrolet K1500
ACDelco
2005 Chevrolet Cobalt HVAC Heater Core ACDelco

P311-11285E1    W0133-1880202  New

Qty:
$341.12
ACDelco HVAC Heater Core
  • This Original Equipment Manufacturer part is the same part that was made & installed by the car manufacturer at the factory where the car was produced.
  • GM Original Equipment
Brand: ACDelco
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Vehicle
2005 - Chevrolet Cobalt
ACDelco
2005 Chevrolet Corvette HVAC Heater Core ACDelco

P311-3D30E97    W0133-1886163  New

Qty:
$302.47
ACDelco HVAC Heater Core
  • This Original Equipment Manufacturer part is the same part that was made & installed by the car manufacturer at the factory where the car was produced.
  • GM Original Equipment
Brand: ACDelco
Free Ground Shipping on this item
Additional Fitment Information:
Vehicle
2005 - Chevrolet Corvette
ACDelco
1992 Chevrolet C1500 Suburban HVAC Heater Core ACDelco

P311-42668E4    W0133-1941315  New

Qty:
$221.87
ACDelco HVAC Heater Core
  • This Original Equipment Manufacturer part is the same part that was made & installed by the car manufacturer at the factory where the car was produced.
  • GM Original Equipment
  • Heater
Brand: ACDelco
Free Ground Shipping on this item
Additional Fitment Information:
Vehicle
1992 - Chevrolet C1500 Suburban
ACDelco
1994 Chevrolet Blazer HVAC Heater Core ACDelco

P311-42668E4    W0133-1941315  New

Qty:
$221.87
ACDelco HVAC Heater Core
  • This Original Equipment Manufacturer part is the same part that was made & installed by the car manufacturer at the factory where the car was produced.
  • GM Original Equipment
Brand: ACDelco
Free Ground Shipping on this item
Additional Fitment Information:
Vehicle
1994 - Chevrolet Blazer
ACDelco
1988 Chevrolet K1500 HVAC Heater Core ACDelco

P311-42668E4    W0133-1941315  New

Qty:
$221.87
ACDelco HVAC Heater Core
  • This Original Equipment Manufacturer part is the same part that was made & installed by the car manufacturer at the factory where the car was produced.
  • GM Original Equipment
  • with Heavy Duty Heater
Brand: ACDelco
Free Ground Shipping on this item
Additional Fitment Information:
Vehicle
1988 - Chevrolet K1500
ACDelco
2004 Chevrolet Impala HVAC Heater Core ACDelco

P311-403057B    W0133-1886127  New

Qty:
$323.42
  • This Original Equipment Manufacturer part is the same part that was made & installed by the car manufacturer at the factory where the car was produced.
  • GM Original Equipment
Brand: ACDelco
Free Ground Shipping on this item
Additional Fitment Information:
Vehicle
2004 - Chevrolet Impala
ACDelco
2002 Chevrolet Avalanche 1500 HVAC Heater Core ACDelco

P311-5B06141    W0133-1687122  New

Qty:
$345.47
  • This Original Equipment Manufacturer part is the same part that was made & installed by the car manufacturer at the factory where the car was produced.
  • GM Original Equipment
Brand: ACDelco
Free Ground Shipping on this item
Additional Fitment Information:
Vehicle
2002 - Chevrolet Avalanche 1500

Latest Chevrolet Repair and Heater Core Installation Advice

CarJunky AutoAdvice

heater core replacement

Showing 2 out of 2 Posts
Question From aarongates25 on heater core replacement

I have a 2001 Chevrolet Monte Carlo Ls 3.4v6 I need to know where the heater core is and what is involved with replacing it or can I bypass it for the time being?

Response From Hammer Time Top Rated Answer

Sure, you can bypass it if you can live without heat or defrosters..........
That's no fun in some states.

Chevrolet S10 Heater Issue

Showing 7 out of 10 Posts | Show 3 Hidden Posts
Question From DudeItsCristhian on Chevrolet S10 Heater Issue

Hey, I own a 1994 Chevrolet S10 Pickup with a 2.2L engine. The mileage is 122,5XX. I am currently having trouble with the heater as it blows lukewarm air in heater and defroster mode. After checking under the hood, I noticed two pipes without a hose connected to either one in the back. Does anyone know which specific hoses I need? Also, could anyone tell me if there's more that could be causing the heater issue? Thanks in advance for any help!

Response From DudeItsCristhian

Quite sad that I come to a forum searching for a little help and answers from others who are more car savvy, yet I get mocked for my lack of mechanical knowledge. Sidom, if the case is that the heater core is leaking, I shouldn't have too much of a trouble of finding one and replacing it. My question now is, what are the names of the two hoses I need and do I need to buy any other accessory for the heater core?

Response From Sidom Top Rated Answer

Pls don't take their replies in the wrong light.... Just a little bit of light natured humor, nothing directed at you.
I can be the worst offender at times but the only way I got out of my cage today was by promising to say in line...

Doing the heater core is actually a pretty big job, which involves a lot of dash work. Depending on you level of expertise it may or may not be in your range...

If you look at that heater hose going in frt of the heater core, that is one of the hoses that goes on to the heater core. They just took that hose and put it on the fitting for the other hose, kinda of a loop to take the core out of the picture. You may need to go to the parts store to get another piece of heater hose to go from the other heater core fitting to the engine....

I would hook the core back up and see what you got....More than likely it's leaking but you will never know until you hook it back up and run it......

Do that & let us know what you have......My database is down right now but I'm fairly certain the dash needs to come out on this one to replace the core....

Response From DudeItsCristhian

I understand. I just want to learn more on how to deal with cars from others that know what they're doing and in no means want to bypass anything or fry my engine. The previous owner rigged this thing up pretty badly so I need to go back and fix it one piece at a time. I will go let you know once I get the hose hooked up what's up.

Response From Hammer Time

The hoses are off for a reason. I'm sure the heater core is leaking into the truck and that's why it was bypassed so you need a new heater core and that is a major job on the truck.

Response From Hammer Time

if the case is that the heater core is leaking, I shouldn't have too much of a trouble of finding one and replacing it.

You know, it really is something that makes us giggle. That heater core is an 8 hour job for a professional. Excuse me,but if you can't identify the heater hoses, you have no business even considering that repair.

Response From Sidom

Heater cores don't usually get bypassed for no reason, usually it's because they are leaking...

You can see the heater hose if front of the heater core pipes in your picture. You can hook the 2 hoses back up, but more than likely the heater core is leaking....

Response From Hammer Time

It's pretty hard to have any heat when the heater isn't hooked up..........

Response From Discretesignals

LMAO

Response From Tom Greenleaf

LMAO II - go ahead and bypass a heater core and don't complain when engine is blown!

T

heater/ac door location needed

Showing 2 out of 6 Posts | Show 4 Hidden Posts
Question From jack frausto on heater/ac door location needed

Location of the heater/ac door on a 1989 chevrolet 1500 4x4 5.7l. The heater core is not blocked. I changed the therm and the input hose is warm while the output is cool. So I need to find out the location of the door to open or close to pass this hot air. I live in Wisconsin and a snow storm is to be here again for christmas.

Response From steve01832

Hi Jack. Let the engine get to normal operating temperature. Then grab the heater hoses. If they are both hot, the core has good circulation through it. If one hose is hot and the other is cold, the core is restricted and needs to be replaced.

Steve

Response From re-tired Top Rated Answer

Item #9 is the blend door actuator . Remove it and carefully turn the shaft with pliers ,clockwise and then counter clockwise with eng warmed up and blower on. If you feel heat the actuator is bad .

Response From jack frausto

Ok the only question i now have is do I have to remove the dash to remove or check? I also have replaced the heater core and still no heat. I have taken the truck into a local mechanic who mainly works on engine and trany issues. He told me that he looked at the door and was working properly and has no idea what may be the issue with everything that I have replaced and checked. So now I am still back to square one. I have let the truck run and adjust the heater while the truck is running. From cold to hot, and still no heat. I need the truck to tell me what is wrong so I can fix it and move on to the other issues it has.
The truck also heaitates when I accelerate then catches and takes off. This could be a separate issue, but I was told that the coolant temp sensor is the reson the truck is hesitating. Just wondering if these issues are separate or could have something to do with each other?

Response From re-tired

How did the mechaic Look at the door ? You cannot see the door operate from outside . THe actuator may be running , you can put your hand on it and feel in hum, but the shaft may be broken (it does happen). The only way to tell for sure is to take the actuator off and manually turn the door fom stop to stop. The link I sent shows where the actuator is .You do not need to remove the case to remove the actuator . The best way to solve a problem is to elminate one possible cause at a time . This should be one you things to check with own eyes .

Response From jack frausto

yeah i removed the accuator and i still have no heat. when i closed the door it only switched the air flow from heater to vent, not only that, but i tried to get it to defrost just kept blowing through vent.

Is there a coolant sensor and if so how do u remove and replace?

2003 Chevrolet Venture Heating Problem

Showing 2 out of 11 Posts | Show 9 Hidden Posts
Question From lawden on 2003 Chevrolet Venture Heating Problem

I am currently experiencing a heating problem with my 2003 Chevrolet Venture. When the van is idiling, the heat stops blowing and slowly gets cold. When I start traveling again, the heat begins working again. Coolant levels are ok and all hoses appear to be sealed and in working order. I was told that a valve could be responsible for not keeping the heat in when the car is idiling and then closes when the car begins traveling creating the necessary vaccum pressure to push the heat into the passenger compartment of the vehicle. Any ideas what else to look for and to bring the heat back into our car in this most necessary time of the year?

Response From Tom Greenleaf

It's still blowing air right? If coolant flow thru core is weak this could happen. I'd feel the heater hoses and see if there is a sudden drop off in temp along their route. Vacuum may control air direction and a heater control valve in some cars (not sure for this one) but vacuum is higher at idle then going along so that's not the likely problem so far.

Sometimes the water pump impeller itself isn't up to snuff and just needs more RPMs to push coolant around. Personally that problem has never happened with car for me but it has been reported here and elswhere that it in fact can be the source of a problem like that,

T

Response From lawden

Yes, air is still flowing, it is just cold when idling. A visual inspection of the hoses found that they appeared to be o.k., but I must admit that I do not know which hoses are the heater hoses. Any suggestions on where I can find a schematic to determine their placement within the engine compartment? What are my options if coolant flow thru the core is weak? Flush the heater core?

Response From Tom Greenleaf

Flushing system would be a good thing anyway. Heater hoses are dang near universal in that input line is 5/8 hose and output 3/4 hose. They should go towards firewall on passenger's side. Usually the input line starts near the water pump and may go thru a heater control valve with either or both electrical controls and a diaphragm to control water flow for selected temps.

The input line would be engine temp (watch that!) and would stay about the same temp to the control valve if used and on to firewall. You might have to wait a bit but if it get cold along the route then something is wrong there. The output hose is less temp if heater is blowing the hot air but could be the same if it can't exchange the heat.

Weak coolant flow for any reason - low coolant, plugged, would result in less heat. Since driving along seems to make it behave then the flow is in question - we know that.

Sometimes things as simple as the pressure cap isn't holding pressure can alter the volume of warm/hot coolant to core. Any air in the system just messes up all diagnosing so you always need to know that's not a factor.

I'm no thinking of a wild variety of problems because you said it behaves when driving along,

T

Response From lawden Top Rated Answer

Ok...The heater core has been flushed with no problems noted. The hoses have been checked signaling proper air flow across the heater core. I was told that a possible check valve might be responsible for the problem. A repair manual has been consulted for the vehicle and no mention of a check valve is made, but the book is not very thorough. Does this vehicle have a check valve and could this be the source of the problem? Thanks for your ongoing help.

Response From Tom Greenleaf

Just looked and couldn't find a heater control valve listed for this vehicle?? That would be in line to adjust water flow thru core and not all systems do it that way. I think this uses an electrical actuator for a temp blend door in distribution box plenum. I would think if that wasn't diverting desired air flow % thru heater core it would be warmer at low speeds so let's not make that conclusion quite yet.

Feel the in and out hoses to the core when it's idling and blowing cold. Are then both hot or both cold? Then try lowest fan but highest heat request and rev up to about 1,500 RPM and see if hoses warm and air get warm in cabin.

Let's see if we can narrow down the possibilities of what's up with this,

T

Response From lawden

Tom,
Recently the van has now began to leak antifreeze. I had a mechanic look at it and say that it is the intake gaskets that need replaced. I had these replaced in Nov. of 2006. Do they need replaced already? I called around for a service quote and was told anywhere from $500-$1300 with the dealerships winning the upward total (suprising I know). Does this sound right?

Response From Tom Greenleaf

The intake manifold gasket are somewhat common and there was or is a settlement with GM about this - check on that for the cost of the first round. I've never heard of this twice! OE gasketing stunk and the OE dex-cool was blamed for problems with the whole cooling system not just gaskets.

Quote of $1300 seems way too high! What was to be done with that? $500 around here would be more like it - perhaps less. Gasket are cheap - it's a labor thing. Aftermarket gaskets are frequently better than originals in my experience.

Check on that GM/DexCool settlement. All I know is that the V8s were excluded for some reason?? Something with the Dex-cool anti-freeze was different and caused plugging up of things real early. I've not seen it in person but there are tons of pics of fairly new GM V6 and some others with gummy rust that would collect even at the radiator caps and showed dismantled engines that were a nightmare.

You might find the pic at www.GoHTSN.com - I think they discuss the problems. Hope you keep records. This could be one of those problems?? Look for gunk at the radiator cap for now and something has to give with it leaking anyway. You do not have to use the OE Dex-cool anti-freeze again as far as I know. I won't again,

T

Response From Tom Greenleaf

http://www.gohtsn.com/article_1084.shtml


That should hav info on the settlement,

T

Response From lawden

Thanks, the first time I had it done, I thought I would be good for more than the year and a half it has been since it was replaced. Now looking at another repair bill, this is getting tiring. I think that this is probably the source of my heating problems as well. What will the settlement mean for me? I have only used Dex-Cool antifreeze because that is what the manual said to use. What do you recommend I use from now on? I will not use it anymore if I don't have to.

Thanks for your help

Response From Tom Greenleaf

Des-Cool is still an "EG" anti-freeze - 'Ethylene-Glycol' based product. It first claimed it didn't need to be changed for 5 years and it's a different color as you know. In general it's best to ge with what a manufacturer suggests for a vehicle and that's where GM got caught up as there apparently were enough problems with it's properties to cause real engine problems associated with not controlling corrosion.

For some time engines have used more alloys and things that needed extra help and along comes this product and the vehicles clearly stated to use only that in them.

I've seen the pics of engines torn down that showed incredible build up and damage that ruined parts that would ordinarily last the life of a vehicle.

With anti-freeze the level of freeze protection does not expire with EG but the additives do. I have dealt with vehicles off new car warranties and read the product claims looking for "Meets or exceeds new car requirements" and have done well with that.

I'm seeing brand name products with no color added with claims to be compatible with the other EG based products out there and will start using that with the next change out/flush when vehicles are past warranty.

The gasket problems have happened to many of these vehicles but I was blaming that on the original gasket and still have not seen the damage that this original anti-freeze is blamed for causing. You are the first I've heard of with a second go around with the gasket - and with a 5 or so year old vehicle!! Something isn't right with that!

T

Heater doesn't blow hot air

Showing 2 out of 3 Posts | Show 1 Hidden Posts
Question From petelg on Heater doesn't blow hot air

Hi, I have this 1996 Chevrolet Silverado pickup.Not sure the cubic in but it is a six cyl and the milage is arounf 52,000. My problem is I'm not getting any hot air to come out of the vents. Nor the defroster. Blower motor works fine. Thanks for any advice...Pete

Response From Hammer Time Top Rated Answer

With the engine at full operating temp, locate the 2 heater hoses where they go into the firewall and feel them to see if they are both hot to the touch. If not too hot to hold, then you have to look at the actual engine temp and if that is up, if it is, then your looking at a restricted heater core.
If you find that they are both too hot to hold, then the heat in that vehicle is controlled by a blend door that regulates heated air flow. it is operated by an electric motor/actuator. The problem can be that the actuator is stripped or inoperative or the door itself could be damaged. This is what needs to be determined by examining the actuator and see if it is responding to heat change commands or not.
If they are both not too hot to hold on to, then you either have a restricted heater core or the system is not completely full and getting air pockets for some reason.

Response From Tom Greenleaf

Right on HT. To add, if this just recently worked properly and coolant/antifreeze is properly full I think the weakest link is the stripped actuator. If not full of coolant/antifreeze at radiator (never mind just the recovery tank) then the leak needs to be fixed first as an overheat will soon follow,

T