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Shop / Intake & Airflow / MAHLE Intake Manifold Gasket Set 01-05 GM 6.6L Duramax LB7/LLY
MAHLE Intake Manifold Gasket Set 01-05 GM 6.6L Duramax LB7/LLY
MAHLE

MAHLE Intake Manifold Gasket Set 01-05 GM 6.6L Duramax LB7/LLY

MPN: MAH-MS19402
Daily DriverTow PigStreet Performance
$13.50
Ships From Supplier · Ships in 3–7 business days
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Fitment sensitive
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Need a dependable seal to keep your Duramax intake system performing at its best? The MAHLE Intake Manifold Gasket Set is a premium OE-style solution designed to restore factory-level sealing on compatible 6.6L Duramax applications. It helps prevent boost leaks, maintain proper airflow, and protect engine performance under daily driving or heavy loads. This complete gasket set delivers the fit, reliability, and confidence you expect from MAHLE, making it an ideal choice for professional repairs or quality-focused maintenance.

Manufactured by MAHLE, a trusted OE supplier, this set is engineered to meet or exceed OEM specifications for precise fitment and consistent sealing performance. It is designed as a direct replacement for easy installation, with no modifications required. The gaskets feature high-quality, heat-resistant materials built to withstand engine temperatures, pressure changes, and long-term diesel operation. The result is durable, reliable sealing that supports engine efficiency and long-lasting performance.

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.