Crown wheel and pinion 4.55:1, 41x9 teeth for Volvo PV, Duett, Amazon, 1800, Spicer M27

Crown wheel and pinion with a 4.55:1 ratio and a tooth count of 41x9. The set fits the rear axle on Volvo PV, Duett, Amazon and 1800 with Spicer rear axle type M27. One set is needed per car.

The Spicer rear axle is identified by a differential housing covered with a metal lid, while the ENV axle has the differential inserted into the axle housing from the front. The Spicer M27 has drive shaft tubes with an outer diameter of 57 mm; the M30 has 63.5 mm tubes. The ratio is marked on a tag at the differential cover, and on later axles on a plate under the axle.

THIS PART FITS

• Volvo PV: all models WITH Spicer rear axle M27
• Volvo Duett: all models WITH Spicer rear axle M27
• Volvo Amazon: 1956–1968, Spicer rear axle M27, from chassis number 61891 and chassis number 57679
• Volvo 1800: 1961–1968, Spicer rear axle M27

Specifications

• Ratio: 4.55:1
• Number of teeth: 41x9
• Rear axle type: Spicer M27
• Position: Rear axle
• Quantity per car: 1
• Brand: Spicer

Installation

Order the individual parts according to the rear axle's marking and ratio. When replacing crown wheel and pinion on an Anti-Spin axle, use oil 281478. The job requires special tools and measuring equipment.

Replaces Volvo OE number: 661518

Frequently Asked Questions

How do I know if my car has a Spicer M27 or M30?

Measure the outer diameter of the drive shaft tubes. The Spicer M27 has 57 mm tubes, the M30 has 63.5 mm.

Where do I read the ratio on the rear axle?

The ratio is marked on a tag at the differential cover. On later axles the information is on a plate under the axle.

Does the set fit a rear axle with Anti-Spin?

When replacing crown wheel and pinion on Anti-Spin axles, oil 281478 must be used.