Spicer GM3R Series


Only 1 left in stock

SKU: D/S5-3147x. Category: .

Product Description

Spicer Brand

GM3R Series Axle U-Joint

  • Spicer Part# 5-3147x
  • AKA Mechanics 44
  • Heavy Duty Forged Cross
  • Greaseable
  • O.E.M Replacement
  • Inside Snap Ring
  • Cup Size= 1.125 in.
  • Snap Ring To Snap Ring= 2.556 in.

Dana Spicer U-Joints are one of the most trusted U-Joints in the high performance market place. Dana Spicer has been manufacturing U-Joints for well over 50 years and has been a trusted manufacture for many heavy duty and light duty truck builders. Dana Spicer uses only premium materials machined to the highest quality standards in the industry.



Additional Information

Weight 16 oz
Dimensions 4 x 4 x 2 in
Manufacturer Part Number


Alternate Part Numbers

5-795X (Non-Greaseable), 5-737X (Obsolete), SPL25-6X (Obsolete)

Inside or Outside Snap Ring




Cap Diameter (D 1)

1.125 inches

Cap Diameter (D 2)

1.125 inches

Length (L 1)

2.556 inches

Length (L 2)

2.556 inches inches

Identifying Marks

(SH49) on u-joint cross body, (P171) on 1.125 grooved bearing caps


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