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Dorman 918-978 Automatic Transmission Oil CoolerOE Quality 60-Day Returns
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Part #: 918-978

Dorman 918-978 Automatic Transmission Oil Cooler

⚙️ 20 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$251.22Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
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Dorman 918-978 Automatic Transmission Oil Cooler
BrandDorman
Part Number918-978
MaterialAcero y aluminio
MaterialSteel and aluminum
11101No
11101Non
Length20
Thickness1.4
FinishPainted
FinishPintado
Width1.4
Inlet Attachment TypeRoscado
Inlet Attachment TypeThreaded
Outlet Attachment TypeRoscado
Outlet Attachment TypeThreaded
Mounting Hardware IncludedNo
Mounting Hardware IncludedNon
Core MaterialAluminio
Core MaterialAluminum
Height6
Grade TypeReemplazo estándar
Grade TypeStandard replacement
Electric FanNo
Electric FanNon
Core Row Quantity10
Housing ColorBlack
Housing ColorNegro
Housing ColorNoir
Inlet Diameter0.94
Outlet Diameter0.65
Contenidos del paquete1 termostato enfriador de aceite de la transmisión automática
Cooling Row Quantity10

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2019ChevroletSilverado 2500 HD6.6LV8DIESELN/A
2019ChevroletSilverado 3500 HD6.6LV8DIESELN/A
2019GMCSierra 2500 HD6.6LV8DIESELN/A
2019GMCSierra 3500 HD6.6LV8DIESELN/A
2018ChevroletSilverado 2500 HD6.6LV8DIESELN/A
2018ChevroletSilverado 3500 HD6.6LV8DIESELN/A
2018GMCSierra 2500 HD6.6LV8DIESELN/A
2018GMCSierra 3500 HD6.6LV8DIESELN/A
2017ChevroletSilverado 2500 HD6.6LV8DIESELN/A
2017ChevroletSilverado 3500 HD6.6LV8DIESELN/A
2017GMCSierra 2500 HD6.6LV8DIESELN/A
2017GMCSierra 3500 HD6.6LV8DIESELN/A
2016ChevroletSilverado 2500 HD6.6LV8DIESELN/A
2016ChevroletSilverado 3500 HD6.6LV8DIESELN/A
2016GMCSierra 2500 HD6.6LV8DIESELN/A
2016GMCSierra 3500 HD6.6LV8DIESELN/A
2015ChevroletSilverado 2500 HD6.6LV8DIESELN/A
2015ChevroletSilverado 3500 HD6.6LV8DIESELN/A
2015GMCSierra 2500 HD6.6LV8DIESELN/A
2015GMCSierra 3500 HD6.6LV8DIESELN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

191552344837584173163

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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