Mahle A340 Engine Crankshaft Repair Sleeve - Rear

Mahle A340 Crankshaft Repair Sleeve

The Mahle A340 engine crankshaft repair sleeve is a rear seal surface repair component for select Ford, Mazda, and Mercury applications. It uses nickel plated formed steel construction and a 0.013 in wall thickness to restore a worn crankshaft sealing area without replacing the crankshaft.

Key Features

• Part number A340 crankshaft repair sleeve for rear seal repair
• 0.013 in gasket wall thickness for a precise sealing surface
• 3.466 in sleeve inside diameter
• Nickel plated formed steel material for durability and corrosion resistance
• Fits rear applications on Ford Ranger, Mazda B3000, Ford Windstar, Ford Taurus, Mercury Sable, Ford Aerostar, Ford Tempo, Mercury Topaz, and Ford Probe
• Cross-references FEL-PRO 16260 for the same application

Detailed Description

Mahle A340 is an engine crankshaft repair sleeve used to correct wear at the rear crankshaft sealing surface. The nickel plated formed steel sleeve provides a consistent sealing area for the rear main seal, helping restore proper contact where the crankshaft has been grooved or worn. This makes it a practical repair solution for high-mileage engines in Ford Ranger and Mazda B3000 applications, as well as Ford Taurus, Mercury Sable, and related vehicles.

Built around a 3.466 in inside diameter and 0.013 in wall thickness, the A340 is sized for specific rear seal repair applications. Mahle gaskets and sealing components are trusted by OEMs and technicians worldwide, and this repair sleeve follows that same focus on fit and sealing performance.

What It Helps Repair

• Rear main seal leakage caused by crankshaft wear
• Oil seepage from a grooved sealing surface
• Poor seal contact on the rear crankshaft journal
• Repeat seal failure after prior repairs
• Wear-related sealing issues on higher-mileage engines

Installation Notes

Install the sleeve on the rear crankshaft sealing surface only for the listed applications. Clean the shaft thoroughly before installation and verify the sleeve dimensions against the original sealing area before assembly. Confirm vehicle year, make, model, and rear position match the fitment listing for the Mahle A340 before ordering.

Quality Assurance

Mahle is known for sealing products used by OEMs and professional technicians, and the A340 is manufactured to support accurate rear crankshaft repair on the listed applications. This part cross-references FEL-PRO 16260 for the same application.