National 710759 Engine Crankshaft Seal - Rear

Rear Crankshaft Oil Seal for Audi and Volkswagen

National 710759 is a rear engine crankshaft seal built for applications that require a precise oil seal and housing fit. It uses a fluoro-elastomer sealing material and a clockwise-spiral lip design to support consistent sealing at the rear of the crankshaft on select Audi A3, A4, Q5, and Volkswagen GTI, Jetta, Tiguan, and Passat models.

National has supplied sealing solutions for more than 75 years, and part number 710759 reflects that focus with metric dimensions and OE-style fitment details for rear engine service.

Key Features

• Rear engine crankshaft seal for select Audi and Volkswagen applications
• Part number 710759
• Fluoro-elastomer material for sealing performance in engine environments
• Clockwise-spiral lip design
• Metric dimensions: 85.000 mm shaft diameter, 131.400 mm outside diameter, 15.700 mm width
• Housing bore: 131.000 mm
• Footnote: oil seal and housing
• Cross-reference: Dorman - HELP 67910

Product Details

This National crankshaft seal is engineered around the listed shaft, housing bore, and outside diameter measurements to support a proper rear seal installation. The 85.000 mm inside diameter and 131.400 mm outside diameter help identify the correct application for rear crankshaft service on vehicles such as the Audi A4 Quattro, Audi Q5, Volkswagen GTI, and Volkswagen Tiguan. If you are replacing a leaking rear main seal on a 2.0T or similar engine application, part number 710759 provides the dimensional match needed for a direct repair.

Compatible With select rear applications including 2008-2020 Audi A4, 2011-2020 Audi Q5, 2013-2019 Volkswagen GTI, and 2012-2019 Volkswagen Tiguan. It also appears in rear fitments for Audi A3, A3 Quattro, A5 Quattro, Q7, and Volkswagen Jetta, Passat, Beetle, CC, Eos, Golf R, and Atlas.

Common Repair Uses

• Rear engine oil leakage at the crankshaft seal
• Oil seepage around the housing interface
• Seal wear from age, heat, and crankshaft rotation
• Service replacement during engine reseal work
• Fitment correction when the original rear seal no longer holds oil

Installation Notes and Tips

Verify the shaft diameter, housing bore, width, and outside diameter before installation. This seal is listed for rear position use, and the clockwise-spiral lip design should be oriented as specified for the engine application. Clean the sealing surface and housing thoroughly before assembly, and confirm the part matches the vehicle’s engine code and OE dimensions before final installation.

Quality Assurance

National is known for sealing products backed by decades of engineering experience, and part number 710759 is built as a metric oil seal for rear crankshaft service. The design and material selection reflect National’s long-standing focus on sealing solutions for modern vehicles.