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1998 CHEVROLET BLAZER 4.3L 262cid V6 MFI (W)
Heater Core

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Diagnosis and Part Selection Advice:

How did you know this part needed replacement? Why did you choose a certain brand/part number?
Coolant was leaking from the drain. bypassed the heater core with the heater hoses to confirm. Replacement of the part requires several hours labor, so not a good time to scrimp on parts, don't want to do it again, so selected OEM part. I ordered the heater core from Rock Auto. I came in 2 days and fit just like the original.






Part Comments

What came in the box? Were additional nuts, bolts, sealant, etc. needed for the repair?










Repair / Installation tips:

Special tools needed? Have to remove other parts to reach this one? Any left-hand threads, sharp edges, messy fluids or other pitfalls to avoid?