MAHLE EGR Valve Gasket 06-10 GM 6.6L Duramax LLY/LBZ/LMM
Race / competition use only
This product is not legal for use on public roads or on pollution-controlled vehicles. By purchasing, you confirm it will be used only for off-road / race purposes and that you are responsible for lawful use.
Emissions-related component. Race/competition use only — not legal for use on public roads or on any pollution-controlled vehicle.
This product is vehicle-specific. Select your year, make, model, engine and transmission to confirm compatibility before adding it to your cart.
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Ships directly from the supplier. The final shipping cost will be shown before payment.
- Ships from MAHLE
Is it time to repair an EGR system leak? The MAHLE EGR Valve Gasket is an OE-style replacement designed to seal the connection between the EGR valve and EGR cooler assembly. Over time, extreme exhaust heat and repeated thermal cycling can cause the original gasket to degrade or compress, allowing exhaust gases to escape and potentially causing soot buildup, rough engine operation, or emissions system faults. Installing the F31912 restores a tight seal and helps maintain proper EGR function on GM 6.6L Duramax engines.
Manufactured to meet or exceed original equipment specifications, the MAHLE F31912 features a durable steel gasket construction that withstands high exhaust temperatures and pressure fluctuations within the EGR system. Precision stamping ensures accurate alignment and consistent sealing pressure between mating surfaces, helping prevent leaks even under demanding diesel operating conditions. Designed as a direct-fit replacement for EGR cooler applications with offset bolt holes, this gasket delivers dependable OE-quality sealing performance trusted by professional diesel technicians and engine builders.
Is it time to repair an EGR system leak? The MAHLE EGR Valve Gasket is an OE-style replacement designed to seal the connection between the EGR valve and EGR cooler assembly. Over time, extreme exhaust heat and repeated thermal cycling can cause the original gasket to degrade or compress, allowing exhaust gases to escape and potentially causing soot buildup, rough engine operation, or emissions system faults. Installing the F31912 restores a tight seal and helps maintain proper EGR function on GM 6.6L Duramax engines.
Manufactured to meet or exceed original equipment specifications, the MAHLE F31912 features a durable steel gasket construction that withstands high exhaust temperatures and pressure fluctuations within the EGR system. Precision stamping ensures accurate alignment and consistent sealing pressure between mating surfaces, helping prevent leaks even under demanding diesel operating conditions. Designed as a direct-fit replacement for EGR cooler applications with offset bolt holes, this gasket delivers dependable OE-quality sealing performance trusted by professional diesel technicians and engine builders.
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 warrantyProduct 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.
Race / competition use only. Not legal for sale or use on pollution-controlled vehicles or on public roads. Emissions-related component. Race/competition use only — not legal for use on public roads or on any pollution-controlled vehicle.
Professional installation is recommended.
- 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
- Competition use only
- 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.