Product Description
Restore leak-free performance on your LB7 with the MAHLE GS33757 Valve Cover Gasket & Injector Seal Kit for 2001–2004 GM 6.6L Duramax. OE-quality materials deliver proper sealing around the valve covers and injector bores to help prevent oil seepage and combustion blow-by during heavy towing and daily duty cycles.
Fitment
- 2001–2004 Chevrolet Silverado 2500/3500 HD — 6.6L Duramax LB7 (VIN “1”)
- 2001–2004 GMC Sierra 2500/3500 HD — 6.6L Duramax LB7 (VIN “1”)
Cross-Reference / Alternatives (Mahle on CPP Diesel only)
- MAHLE GS33500A Fuel Injector Seal Kit (LB7)
- MAHLE VS50549 Valve Cover Gasket Set (LB7)
- MAHLE VS50438 Valve Cover Gasket Set (LB7, VIN 1)
- MAHLE 95-3726VR Engine Gasket Set (LB7)
- MAHLE B32478 Turbo Inlet Gasket (LB7)
FAQ
Will GS33757 fit my truck?
Yes—GS33757 is designed for 2001–2004 GM 6.6L Duramax LB7 (VIN “1”).
What comes in this kit?
OE-style valve cover and injector sealing components to service LB7 covers and injector bores. For single-injector reseal parts, add MAHLE GS33500A.
Do I need additional gaskets when I pull the covers?
We recommend pairing this kit with a fresh valve cover gasket set (VS50549 or VS50438) and inspecting related LB7 gaskets during service.
Specifications for Mahle GS33757
| Attribute | Value |
|---|---|
| Brand | MAHLE |
| Part Number | GS33757 |
| Engine Compatibility | 2001–2004 GM 6.6L Duramax LB7 (VIN “1”) |
| UPC | 027067973269 |
| GTIN | 027067973269 |
| Shipping | Calculated at checkout (Shipping Insurance optional at checkout) |
| Prop 65 | This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Learn more |
