---tab Description--- Differential Cover For Ford 9.75″ 12 Bolts Rear Axle SPELAB This SPELAB cover for Ford F–150 trucks, SUVs and vans has a patterned fins and is extra capacity. This is a heavy duty replacement for the stock 12 bolt cover on Ford Sterling 9.75 (9 3/4) inch differentials. Function: Protects the differential, seals the differential, stores differential fluid. Applications: Ford E-150 Econoline (1997-2002)Ford F-150 (1997-2017)Ford Expedition (1997-2002)Ford Transit-350 (2015-2017)Ford E-150 (2003-2014)Ford E-250 Econoline (1997-2002)Ford F-250 (1997-1999)Ford Transit-150 (2015-2017)Ford Transit-250 (2015-2017)Lincoln Navigator (1998-2005) Note: The year and model may not guarantee compatibility. Please confirm whether the axle is Ford 9.75″ 12 Bolts. Innovative points: 1. The external heat sink design increases the contact area between the differential cover and the surrounding air, enhancing heat dissipation performance.2. The internal diversion groove design aligns with the direction of liquid flow in the differential gear's rotation, ensuring maximum flow rate for better lubrication.3. The use of aluminum alloy material significantly improves cooling performance compared to the commonly used iron material. When comparing billet to cast products, billet items are often considered more durable and built for long-lasting performance.4. An external observation mirror with a floating ball is used to monitor the oil level. Traditional observation mirrors in the market may darken over time, reducing visibility. Therefore, the floating ball allows us to monitor the oil level even if the mirror darkens.5. The outside with black wrinkle paint providing rust resistance. Specifications： At the same time, we are also developing differential covers that are suitable for different models of the same car and different models of different cars, such as the following: Differential Cover Kit For 2017+ Ford F250 F350, With DANA M275 Rear Axle 14-Bolt Differential Cover Kit For 8.5 in. GM With 5/16 in. Cover Bolts Differential Cover Kit For 2017+ Ford F250 F350, With DANA M275 Rear Axle 14-Bolt Shipping Fast Shipping Policy: The order will be dispatched within 1-2 business day, and the package will arrive within your order's estimated date. Please click Shipping Policy for more details. Easy Return Policy: Every order comes with a 14-day free return which means you don't have to pay for a return slip. Please click Return Policy for more details. ---tab Fitment--- Compatible DifferentialsFord 9.75″ (9 3/4 inch), ’08 ’10Ford 9.75″ (9 3/4 inch) , ’00 ’07Ford 9.75″ (9 3/4 inch), ’99 onlyFord 9.75″ (9 3/4 inch), ’11 & upFord 9.75″ (9 3/4 inch), ’97 ’98Ford 9.75 (9 3/4 inch), ’12 & up 35 Spline Compatible Make / ModelFord E-150 Econoline (1997-2002)Ford F-150 (1997-2017)Ford Expedition (1997-2002)Ford Transit-350 (2015-2017)Ford E-150 (2003-2014)Ford E-250 Econoline (1997-2002)Ford F-250 (1997-1999)Ford Transit-150 (2015-2017)Ford Transit-250...