Kohler Rear Main Oil Seal - OEM Number: 1213347

The Kohler Rear Main Oil Seal (OEM 1213347) is a direct replacement engine sealing component designed for use on a range of Kohler and Lombardini diesel engines. It is fitted at the rear of the crankshaft, where it prevents engine oil from leaking between the crankshaft and engine block while maintaining proper lubrication within the crankcase.

Manufactured to OEM specifications, this oil seal is engineered for precise fitment, durability, and resistance to heat, pressure, and continuous rotational movement. It plays a critical role in protecting the engine and clutch or flywheel assembly from oil contamination and loss of lubrication.

FUNCTION AND OPERATION

• Seals the rear section of the crankshaft assembly
• Prevents engine oil leakage from the crankcase
• Maintains proper internal lubrication and oil pressure
• Protects flywheel and clutch components from oil contamination
• Designed to operate under continuous rotation and thermal cycling

TECHNICAL DETAILS

• OEM Part Number: 1213347
• Type: Rear crankshaft oil seal / rear main seal
• OD: 88 mm
• ID: 69 mm
• Width: 8 mm
• Function: Engine oil sealing component
• Application: Rear crankshaft sealing interface
• Construction: Oil-resistant elastomer sealing lip with reinforced outer casing
• Design: Precision-manufactured for OEM crankshaft and housing tolerances

Some compatible seals listed against OEM 1213347 are specified as 70 x 88 x 8 mm transmission-side crankshaft seals manufactured from NBR material.

TYPICAL APPLICATIONS

Suitable for a range of Kohler and Lombardini engine applications, including:

• Lombardini LDW series diesel engines
• Kohler KDW series engines
• Agricultural and construction equipment
• Industrial diesel engines
• Generators and auxiliary power units

OEM references for 1213347 are associated with Lombardini and Kohler engine applications.

IMPORTANT INFORMATION

Always confirm the correct OEM part number and engine model before ordering, as rear main oil seal dimensions and specifications may vary depending on engine type, crankshaft configuration, and serial number range. Improper installation or incorrect sizing can result in oil leakage and premature seal wear.

DELIVERY OPTIONS (UK mainland only)

Next Day Delivery*
£11.95 or FREE for orders over £150
Orders placed before 4pm Monday to Friday will be delivered on the next business day.
Orders placed after 4pm on Friday will be delivered the following Tuesday.
*Next day delivery applies to stocked items only. Availability can be found on the product pages.

Premium Delivery*
£27.50 for delivery before 10:30am
£20.00 for delivery before 12:30pm
*Premium delivery applies to stocked items only. Availability can be found on the product pages.

For all other countries, please click here for full delivery information.

**Separate carriage charges apply to bulk products such as 205L barrels.