MAHLE Main Bearing Set — Case .50mm / Crank .25mm / Thrust 1.00mm | VW Type 1 1200–1600cc (98-1740-B)

MAHLE crankshaft main bearing set for the VW Type 1 air-cooled engine, 1200-1600cc. This set is sized for a case bored .50 mm oversize with the crank journals turned .25 mm under and a 1.00 mm oversize thrust. For a moderately worn case that's been line-bored .50 mm with a crank ground .25 mm and a thrust widened to 1.00 mm.

Sizing — read before you order

MAHLE main bearings come in 9 combinations of case bore / crank journal / thrust. Pick the one that matches what your machine shop did to the case and crank. Mismatching any dimension turns an engine job into scrap — measure or check your work order before buying.

• Case bore size: .50 mm oversize
• Crank journal size: .25 mm under
• Thrust width: 1.00 mm oversize

Fitment

• VW Type 1 1200-1600cc air-cooled engine
• Fits Beetle, Karmann Ghia, Bus (T1/T2), Thing, Buggy, Baja, and any Type 1-based build

Specifications

• EMPI Part #: 98-1740-B
• OE Reference: 111-198-473OS
• Manufacturer: MAHLE (Germany)

About MAHLE

MAHLE is one of the original OE bearing suppliers to Volkswagen — these are not aftermarket reproductions, they're the same German-made bearings that have been used in air-cooled engine builds for decades.