2017-2019 Chevy GMC Silverado Sierra HD Auto Trans Cooler Inlet Tube OEM

Name: 2017-2019 Chevy GMC Silverado Sierra HD Auto Trans Cooler Inlet Tube OEM
Brand: GM
SKU: 84348113
Price: 45.25 USD
Availability: InStock

$ 45.25

🏁 Please confirm this part fits your vehicle before ordering

100% Genuine OEM Factory original part

Flat Rate $8.97 Shipping Any order, any size

Easy Returns No-hassle return policy

Secure Checkout SSL encrypted payment

Flat Rate Shipping

Any order • Any size • USA

$8.97

Have a question?

Check our FAQ for quick answers

→

Keep your 2017–2019 Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, or Sierra 3500 HD running at peak transmission temperature with this OEM Auto Trans Cooler Inlet Tube. Designed specifically for trucks equipped with the 6.6L V8 Duramax Diesel engine, this inlet pipe fits High Country, LT, LTZ, and WT trims on Silverado models, and Base, Denali, SLE, and SLT trims on Sierra models.

This is a Genuine OEM GM part, manufactured to factory specifications for a precise, plug-and-play fit with no modifications required. The Auto Trans Cooler Inlet Tube routes transmission fluid to the cooler, maintaining proper fluid temperature and protecting your transmission under heavy-duty use. It is a direct replacement for the original inlet pipe on all applicable 6.6L Duramax Diesel applications.

Quick Part Facts

Part Name: Auto Trans Cooler Tube — Inlet Pipe
Brand: Genuine OEM GM (ACDelco)
Engine: 6.6L V8 Diesel (Duramax)
Condition: New

Fitment Chart

Year	Make	Model	Trim / Engine
2019	Chevrolet	Silverado 2500 HD	High Country, LT, LTZ, WT \| 6.6L V8 Diesel
2019	Chevrolet	Silverado 3500 HD	High Country, LT, LTZ, WT \| 6.6L V8 Diesel
2019	GMC	Sierra 2500 HD	Base, Denali, SLE, SLT \| 6.6L V8 Diesel
2019	GMC	Sierra 3500 HD	Base, Denali, SLE, SLT \| 6.6L V8 Diesel
2018	Chevrolet	Silverado 2500 HD	High Country, LT, LTZ, WT \| 6.6L V8 Diesel
2018	Chevrolet	Silverado 3500 HD	High Country, LT, LTZ, WT \| 6.6L V8 Diesel
2018	GMC	Sierra 2500 HD	Base, Denali, SLE, SLT \| 6.6L V8 Diesel
2018	GMC	Sierra 3500 HD	Base, Denali, SLE, SLT \| 6.6L V8 Diesel
2017	Chevrolet	Silverado 2500 HD	High Country, LT, LTZ, WT \| 6.6L V8 Diesel
2017	Chevrolet	Silverado 3500 HD	High Country, LT, LTZ, WT \| 6.6L V8 Diesel
2017	GMC	Sierra 2500 HD	Base, Denali, SLE, SLT \| 6.6L V8 Diesel
2017	GMC	Sierra 3500 HD	Base, Denali, SLE, SLT \| 6.6L V8 Diesel

Cracked or Missing Fuel Door on Your Toyota Sienna? Here's the Genuine Fix
A damaged or missing fuel door leaves your Toyota Sienna's fuel system exposed. Here's why a Genuine OEM unpainted replacement is the right fix.
Conquest Auto Parts | August 3, 2026
Cracked or Worn Bed Step Pad on Your 2004-2005 F-150 Flareside? Here's the Genuine Fix
If you use your Flareside bed for actual work, you're climbing in and out on that rear step pad more than you'd think — and it shows. The rubber wears...
Conquest Auto Parts | August 3, 2026
Lost Your Rear Audio Volume Knob? Here's the Genuine GM Fix for Silverado, Tahoe, Yukon, and More
Cracked or missing rear audio volume knob in your Silverado, Tahoe, Yukon, or Sierra? Here's the Genuine GM OEM fix.
Conquest Auto Parts | August 3, 2026
Cracked or Missing Sunroof Deflector on Your 2015-2020 Tahoe, Yukon, or Escalade? Here's the Genuine Fix
If the sunroof on your 2015-2020 Tahoe, Suburban, Yukon, or Escalade has started letting in wind noise or you've noticed a cracked, warped, or missing panel around the sunroof opening,...
Conquest Auto Parts | July 31, 2026
2025-2027 Buick Enclave Avenir: Fix Uneven Headlight Aim With the Genuine Rear Level Sensor
A worn rear headlight level sensor can throw off your Enclave Avenir's beam aim. Here's how the genuine GM part keeps your lighting system dialed in.
Conquest Auto Parts | July 29, 2026
Parking Sensor Bezels Cracked or Missing on Your RAM HD? Here's the Full Kit
If the bezels around your RAM 2500 or 3500's front bumper parking sensors are cracked, faded, or have gone missing altogether, it's rarely just one — years of car washes,...
JAMES DENARDO | July 28, 2026
Cracked or Missing Bumper End Cover on Your CX-50? Here's the Fix
A scraped curb, a low-speed parking lot bump, a chunk of road debris — it doesn't take much to crack or knock loose the front driver side bumper end cover...
JAMES DENARDO | July 28, 2026
Why Your Mustang's Active Exhaust Sounds Off — And the OEM Part That Fixes It
Why Your Mustang's Active Exhaust Sounds Off — And the OEM Part That Fixes It If your 2024-2025 Mustang's active exhaust has stopped behaving — stuck in one tone mode,...
JAMES DENARDO | July 28, 2026