Dorman W37347 Wheel Cylinder

In stock
SKU: 591|W37347
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price $17.86
Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.

Product details

  • SKU 591|W37347
  • Barcode 82702410295

Product Description

This direct replacement drum brake wheel cylinder was specifically engineered to match the fit, function and performance of the original wheel cylinder on particular vehicles. It is manufactured and tested for quality assurance.

  • Ideal replacement - specifically engineered to be direct match for original drum brake wheel cylinder on particular vehicles
  • Cost-effective fix - replacement of cylinder while servicing drum brakes is fastest, surest way to ensure brake performance
  • Quality materials - made with high-quality EPDM rubber cups and boots for long-lasting performance
  • Professionally tested - wheel cylinder bores are surface-tested to ensure an optimum sealing surface for the pressure cups

Detailed Applications

Year Make Model Configuration Positions Application Notes
1979 Fiat 128 Rear Bore: 3/4 In.
1978 Fiat 128 Rear Bore: 3/4 In.
1977 Fiat 128 Rear Bore: 3/4 In.
1976 Fiat 128 Rear Bore: 3/4 In.
1975 Fiat 128 Rear Bore: 3/4 In.
1974 Fiat 128 Rear Bore: 3/4 In.
1973 Fiat 128 Rear Bore: 3/4 In.
1973 Fiat 850 Rear Bore: 3/4 In.
1972 Fiat 128 Rear Bore: 3/4 In.
1972 Fiat 850 Rear Bore: 3/4 In.
1971 Fiat 128 Rear Bore: 3/4 In.
1971 Fiat 850 Rear Bore: 3/4 In.
1970 Fiat 850 Rear Bore: 3/4 In.
1969 Fiat 850 Rear Bore: 3/4 In.

Product Specifications

Bleeder Screw Cap Included: No
Bleeder Screw Included: Yes
Brake Component Inlet Thread Size: M10 X 1.0
Inside Diameter: 0.75 in
Material: Cast Iron
Package Contents: 1 Drum Brake Wheel Cylinder
Package Quantity: 1
Packaging Type: Box
Thread Diameter: 10 mm
Thread Pitch: 1.0

OE Numbers

DIRECT OE CROSS
4121616 FIAT
4121626 FIAT
4373614 FIAT
4394460 FIAT