MAHLE Rear Main Engine Crankshaft Seal 01-16 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML
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
Are you dealing with a leak around your crankshaft? The MAHLE is designed to deliver dependable, OE-quality sealing performance in applications where precision fit and long-term durability matter. When gaskets wear out, become brittle, or are reused during maintenance, even small imperfections can lead to leaks, reduced efficiency, and potential component damage. The JV1691 solves that problem by restoring a proper factory-style seal, helping ensure everything stays tightly secured and operating as intended. Whether you're completing routine maintenance or replacing worn components, this gasket provides the confidence of a direct-fit solution engineered for consistent performance and dependable protection.
The MAHLE JV1691 is manufactured to meet strict OEM standards, ensuring accurate dimensions and reliable sealing under demanding operating conditions. It is built from high-quality, heat-resistant materials designed to withstand temperature fluctuations, vibration, and exposure to automotive fluids without cracking, shrinking, or degrading over time. Precision production processes help guarantee consistent thickness and uniform surface contact, promoting proper sealing pressure once installed.
Are you dealing with a leak around your crankshaft? The MAHLE is designed to deliver dependable, OE-quality sealing performance in applications where precision fit and long-term durability matter. When gaskets wear out, become brittle, or are reused during maintenance, even small imperfections can lead to leaks, reduced efficiency, and potential component damage. The JV1691 solves that problem by restoring a proper factory-style seal, helping ensure everything stays tightly secured and operating as intended. Whether you're completing routine maintenance or replacing worn components, this gasket provides the confidence of a direct-fit solution engineered for consistent performance and dependable protection.
The MAHLE JV1691 is manufactured to meet strict OEM standards, ensuring accurate dimensions and reliable sealing under demanding operating conditions. It is built from high-quality, heat-resistant materials designed to withstand temperature fluctuations, vibration, and exposure to automotive fluids without cracking, shrinking, or degrading over time. Precision production processes help guarantee consistent thickness and uniform surface contact, promoting proper sealing pressure once installed.
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.
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
- 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.