Moog K6664 Suspension Ball Joint - Front Upper

Brand Moog K6664
Position Front Upper
Adjustable No
Castle Nut Included No
Cotter Pin Hole No
Greaseable Yes
Material Neoprene
Mounting Hole Quantity 0
Mounting Type Press-In
Suspension Grade Type Standard
Fits Chevrolet, GMC, Saab, Isuzu, Buick, and Oldsmobile · 50 vehicles

Press-in fit. Fast, hassle-free installation with no modifications needed.

Greaseable design. Helps maintain smooth operation and dependable performance.

Neoprene material. Built with durable materials for reliable service.

Cross-references Beck/Arnley 101-7701, Centric Parts 610.66020 and MAS Industries BJ92135 for the same application. See all 22.

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MOOG K6664 Front Upper Ball Joint

MOOG K6664 is a press-in suspension ball joint built with a neoprene boot and a greaseable design for service-friendly maintenance. It is a standard suspension-grade replacement for select GM and Saab applications, including Chevrolet Trailblazer and GMC Envoy front upper positions.

Key Features

  • Press-in mounting type for direct suspension service
  • Greaseable design for routine lubrication
  • Neoprene material for boot protection
  • Standard suspension grade type
  • No castle nut included
  • No cotter pin hole
  • No adjustable feature

Product Details

Built for front upper suspension service, MOOG K6664 uses superior materials and testing standards to deliver consistent ball joint performance. The press-in design supports a clean replacement process on compatible Chevrolet Trailblazer, GMC Envoy, and related platform vehicles, while the greaseable construction helps maintain joint lubrication over time. This part cross-references Beck/Arnley 101-7701 for the same application.

Fits 2002-2009 Chevrolet Trailblazer, Front Upper. Fits 2002-2006 Chevrolet Trailblazer EXT, Front Upper. Fits 2003-2006 Chevrolet SSR, Front Upper. Fits 2002-2009 GMC Envoy, Front Upper. Fits 2002-2006 GMC Envoy XL, Front Upper. Fits 2004-2005 GMC Envoy XUV, Front Upper. Fits 2004-2007 Buick Rainier, Front Upper. Fits 2003-2008 Isuzu Ascender, Front Upper. Fits 2005-2009 Saab 9-7x, Front Upper. Fits 2002-2004 Oldsmobile Bravada, Front Upper.

Common Repair Uses

  • Front suspension looseness or play
  • Clunking or popping from the upper control arm area
  • Uneven tire wear linked to worn ball joint movement
  • Steering instability during lane changes or braking
  • Service replacement for a worn press-in upper ball joint

Installation Notes

Verify press-in fitment before installation and inspect the surrounding control arm and steering components for wear. Because this is a greaseable ball joint, lubricate it during service according to the vehicle maintenance schedule. Confirm the front upper application against the vehicle’s year, make, and model before ordering.

Quality Assurance

MOOG ball joints are backed by material selection and testing practices focused on reliable suspension performance. The K6664 is engineered as a service replacement part for the listed applications and follows MOOG’s problem-solving approach to installation and fit.

This part fits 50 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2009ChevroletTrailblazerFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2009GMCEnvoyFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2009Saab9-7xFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2008ChevroletTrailblazerFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2008GMCEnvoyFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2008IsuzuAscenderFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2008Saab9-7xFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2007BuickRainierFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2007ChevroletTrailblazerFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2007GMCEnvoyFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2007IsuzuAscenderFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2007Saab9-7xFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2006BuickRainierFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2006ChevroletSSRFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2006ChevroletTrailblazerFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2006ChevroletTrailblazer EXTFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2006GMCEnvoyFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2006GMCEnvoy XLFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2006IsuzuAscenderFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2006Saab9-7xFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2005BuickRainierFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2005ChevroletSSRFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2005ChevroletTrailblazerFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2005ChevroletTrailblazer EXTFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2005GMCEnvoyFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2005GMCEnvoy XLFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2005GMCEnvoy XUVFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2005IsuzuAscenderFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2005Saab9-7xFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2004BuickRainierFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2004ChevroletSSRFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2004ChevroletTrailblazerFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2004ChevroletTrailblazer EXTFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2004GMCEnvoyFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2004GMCEnvoy XLFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2004GMCEnvoy XUVFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2004IsuzuAscenderFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2004OldsmobileBravadaFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2003ChevroletSSRFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2003ChevroletTrailblazerFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2003ChevroletTrailblazer EXTFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2003GMCEnvoyFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2003GMCEnvoy XLFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2003IsuzuAscenderFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2003OldsmobileBravadaFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2002ChevroletTrailblazerFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2002ChevroletTrailblazer EXTFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2002GMCEnvoyFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2002GMCEnvoy XLFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
2002OldsmobileBravadaFront UpperEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
Directly replaces or cross-references 22 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Beck/Arnley — 101-7701Centric Parts — 610.66020MAS Industries — BJ92135Mevotech Supreme — MK6664MOOG Chassis Products — K666445D011246D0112A260-1559500-1112500-1112B535-82210433219133638221573206116602081913363808221573200B6664FA258FA2199FA2199EJBJ848