Shop By Vehicle
Shows all parts for this vehicle — for exact-fit matches, try AI Search above

Questions?

Call or Text 281-742-9651

1 4

2020-23 Chevrolet Silverado GMC Sierra 2500/3500 HD Coolant Reservoir OEM

$ 100.32
🏁 Please confirm this part fits your vehicle before ordering
🏁 CHECKPOINT 🏁
100% Genuine OEM Factory original part
Fast UPS 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
→

2020-2023 Engine Coolant Reservoir for Chevrolet Silverado 2500 HD, 3500 HD and GMC Sierra 2500 HD, 3500 HD

This is a Genuine OEM GM engine coolant reservoir for 2020-2023 Chevrolet Silverado 2500 HD and 3500 HD and GMC Sierra 2500 HD and 3500 HD trucks. It is for trucks equipped with the 6.6L V8 Diesel engine.

Fitment Alert – Confirm These Details Before You Order

Check each line below against your vehicle before ordering.

Engine 6.6L V8 Diesel only
Chevrolet Silverado 2500 HD 2020-2023; trims: Custom, High Country, LT, LTZ, WT
Chevrolet Silverado 3500 HD 2020-2023; trims: High Country, LT, LTZ, WT
GMC Sierra 2500 HD 2020-2023; trims: AT4, Base, Denali, Pro, SLE, SLT
GMC Sierra 3500 HD 2020-2023; trims: AT4, Base, Denali, Pro, SLE, SLT
Part Engine coolant reservoir

Quick Part Facts

  • Condition: New
  • Part Type: Engine Coolant Reservoir
  • Brand: Genuine OEM GM
  • Years: 2020-2023
  • Makes: Chevrolet, GMC
  • Models: Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, Sierra 3500 HD
  • Engine: 6.6L V8 Diesel

Fitment Chart

Year Make Model Body & Trim Engine & Transmission
2020-2023 Chevrolet Silverado 2500 HD Custom, High Country, LT, LTZ, WT 6.6L V8 - Diesel
2020-2023 Chevrolet Silverado 3500 HD High Country, LT, LTZ, WT 6.6L V8 - Diesel
2020-2023 GMC Sierra 2500 HD AT4, Base, Denali, Pro, SLE, SLT 6.6L V8 - Diesel
2020-2023 GMC Sierra 3500 HD AT4, Base, Denali, Pro, SLE, SLT 6.6L V8 - Diesel
Why Choose Conquest
No Games. Just Genuine Parts.
100% Genuine OEM
No aftermarket substitutes, no knockoffs — every part is the real thing, verified before it ships.
Fair Prices, No Games
Founded by someone who spent 15 years watching dealerships mark up and mislead — we built this to be different.
Verified In-House
Every part is checked against the OEM part number before it ships — not dropped straight from a warehouse untouched.
Real Person, Real Answers
Not sure it fits? Text or email us — you'll hear back from someone who actually knows the part, within 24 hours.

The Latest From Our Experts

View all
Real Person. Real Answers.

Not sure a part fits your vehicle? Skip the guesswork — text or email us and hear back from someone who actually knows the part.

Text: (281) 742-9651 Email Us
Back to top