Moog 338 Universal Joint - Power Take Off

Brand Moog 338
Position Power Take Off
Length Axis 1 1.5
Length Axis 1 38.1
Length Axis 2 1.5
Length Axis 2 38.1
Bearing Cap Type 4 grooved round bearings
Greaseable Yes
Bearing Cap Axis 2 Diameter 0.938
Bearing Cap Axis 2 Diameter 23.8
Bearing Cap Axis 1 Diameter 0.938
Bearing Cap Axis 1 Diameter 23.8
Bearing Diameter A - Inch 0.938
Bearing Diameter A - mm 23.8
Bearing Diameter B - Inch 0.938
Bearing Diameter B - mm 23.8
Bearing Type A Round grooved
Bearing Type B Round grooved
Image Ujoint_4grooved.tif
Length A - Inch 1.5
Length A - mm 38.1
Length B - Inch 1.5
Length B - mm 38.1
Length Measurement A Outside of groove to outside of groove
Length Measurement B Inside of groove to inside of groove plus thickness of 2 lock rin
Lube Fitting Location Angled lube fitting in center of cross
Lubricateable Yes
OE Series Spicer 1000
U-Joint Identification 4 grooved round bearings
Fits

Heavy-duty design. Built with superior materials and rigorous testing for dependable performance.

Greaseable. Angled center lube fitting makes maintenance fast and easy.

OE series match. Spicer 1000-style universal joint for a direct-fit replacement.

Cross-references Autolite 103, Baldwin 20017 and DENSO Auto Parts 210-0170 for the same application. See all 17.

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MOOG 338 Heavy Duty Universal Joint

MOOG 338 is a greaseable universal joint built for driveline service where consistent movement and dependable fit matter. It uses 4 grooved round bearings with an angled center lube fitting for easier servicing and is listed to the OE series Spicer 1000.

  • Part number: 338
  • Universal joint for drive shaft service
  • 4 grooved round bearings
  • Greaseable design with angled lube fitting in the center of the cross
  • Bearing cap diameter: 0.938 in. / 23.8 mm
  • Length A and B: 1.5 in. / 38.1 mm
  • OE series reference: Spicer 1000

Built for Driveline Service

MOOG 338 is a heavy duty driveline universal joint intended for drive shaft repair and replacement where the original joint uses 4 grooved round bearings and the Spicer 1000 OE series layout. The 0.938-inch bearing caps, equal 1.5-inch lengths on both axes, and grooved round bearing design support accurate service work on driveline assemblies. This part number 338 is a practical choice for technicians servicing driveline and axle applications that call for a greaseable universal joint.

This part cross-references Spicer (e.g., 5-103X, 5-110X) for the same application.

Common Issues This Part Can Address

  • Driveline vibration caused by worn universal joint bearings
  • Clunking or driveline lash during acceleration or gear changes
  • Need for a serviceable joint with a grease fitting
  • Wear at the drive shaft cross from age, load, or contamination
  • Replacement of a joint matching Spicer 1000 OE series dimensions

Installation Notes and Tips

Verify bearing cap diameter, groove style, and length measurements before installation. MOOG 338 uses an angled lube fitting in the center of the cross, so confirm access for future greasing after the joint is installed. Clean the yoke bores thoroughly and inspect the drive shaft, yokes, and retaining hardware for wear before assembly. For vehicle-specific searches, confirm the driveline configuration on the exact make and model before ordering MOOG 338.

Quality Assurance

MOOG backs this universal joint with material selection and testing focused on dependable driveline performance. The brand’s problem-solving design approach is reflected in the service-friendly greaseable layout and installation-focused details.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 17 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Autolite — 103Baldwin — 20017DENSO Auto Parts — 210-0170Spicer — 5-103XSpicer — 5-110XSpicer — 5-170X1-017045U2000114-57028170X89029412DT103DT110DT170G5-170XG5-570XU170