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MAHLE Water Pump Mounting Gasket Set 17-22 GM 6.6L Duramax L5P
MAHLE

MAHLE Water Pump Mounting Gasket Set 17-22 GM 6.6L Duramax L5P

MPN: MAH-GS34037
Daily Driver
$25.96
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Need a dependable seal that keeps your water pump leak-free? The MAHLE is designed to restore proper sealing performance in critical engine applications where precision and reliability matter. When factory gaskets wear out, get damaged during disassembly, or simply need replacement during maintenance, even a small leak can lead to bigger problems: reduced efficiency, pressure loss, contamination, or long-term engine damage. The GS34037 solves that by delivering an OE-quality sealing solution engineered for a perfect fit and consistent performance. Whether you're completing a repair or performing preventative maintenance, this gasket set helps ensure everything seals correctly the first time, giving you confidence, protection, and long-lasting performance.

The MAHLE GS34037 is manufactured to meet strict OEM standards, ensuring accurate fitment and dependable durability under demanding operating conditions. Built using high-quality, heat-resistant sealing materials, it is engineered to withstand extreme temperatures, vibration, and exposure to fluids without cracking, shrinking, or losing integrity over time. Precision production ensures consistent thickness and proper surface contact, helping maintain reliable sealing pressure and preventing leaks after installation.

Warranty
Warranty based on supplier terms

Diesel Power Products directs warranty claims to the respective manufacturer; coverage and duration depend on that manufacturer and product. Its one-year manufacturer-defect warranty applies only to products manufactured by Power Products Unlimited Inc., not all products it sells. Manufacturer inspection is required; DPP does not pay inspection/return shipping or labor.

Return and warranty information is based on what Diesel Power Products offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.

Diesel Power Products warranty policyView complete warranty

Product conditions

Return and warranty information is based on what Diesel Power Products offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.

Return eligibility
Diesel Power Products states a 30-day window from receipt for eligible new, uninstalled, unopened and complete items in original packaging, with prior approval/RMA. Custom tuners and specified opened tools are excluded. Customer pays return shipping; original outbound shipping, including initially free shipping, is deducted. No standard restocking percentage is stated for ordinary approved returns. Based on what Diesel Power Products offers.
Return window
Not stated for this product; see supplier terms
Restocking fee
See supplier terms; no product-specific fee stated
Return shipping
Based on the supplier’s return policy; see terms
Made to order
No
Backorder status
Not backordered
Cancellation
Subject to supplier terms; contact FullSpecDiesel before requesting cancellation
Warranty provider
Diesel Power Products
Warranty duration
Product-specific duration not stated; see supplier terms
Compatibility
Listed for specific vehicle configurations
Legal use
Street legal
Processing estimate
3–7 business days supplier processing
Shipping
Shipping calculated at checkout
Signature
No signature requirement
Supplier
Diesel Power Products

Product compatibility is based on the vehicle and product information provided. Review your selected truck, product options, measurements, modifications, and installation requirements before ordering.