2017-2023 Silverado Sierra 2500 3500 HD 6.6L Turbo Inlet Gasket OEM

Name: 2017-2023 Silverado Sierra 2500 3500 HD 6.6L Turbo Inlet Gasket OEM
Brand: GM
SKU: 12688018
Price: 51.49 USD
Availability: InStock

$ 51.49

🏁 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

→

This is a genuine OEM Exhaust Turbocharger Inlet Pipe Gasket designed for 2017-2023 Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD. This gasket seals the turbocharger inlet pipe connection on the exhaust system.

This is a genuine OEM replacement part. This gasket is positioned on the lower turbo exhaust inlet and fits the left side. Compatible with 6.6L diesel engines. This gasket is included with the inlet pipe assembly.

Quick Part Facts

Condition: New OEM
Position: Lower Turbo Exhaust Inlet
Side: Left
Engine: 6.6L Diesel

Fitment

Year Range	Make	Model	Trim/Engine	Notes/Options
2017-2023	Chevrolet	Silverado 2500 HD	6.6L V8 Diesel	Turbo exhaust inlet, lower; Left side
2017-2023	Chevrolet	Silverado 3500 HD	6.6L V8 Diesel	Turbo exhaust inlet, lower; Left side
2017-2023	GMC	Sierra 2500 HD	6.6L V8 Diesel	Turbo exhaust inlet, lower; Left side
2017-2023	GMC	Sierra 3500 HD	6.6L V8 Diesel	Turbo exhaust inlet, lower; Left side

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