AMGauge K6122 is a front upper suspension ball joint

Description:
🔧 Part Overview
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Part Number: K6122
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Type: Suspension Ball Joint (Front Upper)
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Position: Driver or Passenger Side
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Mounting Type: Bolt-on (4-hole)
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Greaseable: Yes (includes grease fitting)
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Material: Neoprene boot with forged steel housing
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Design Features:
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Metal-to-metal gusher bearing for reduced friction
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Belleville washer to maintain preload
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Patented cover plate to seal out debris
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🚗 Fitment Compatibility
This part fits a wide range of Chevrolet and GMC vehicles:
Make | Models | Years |
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Chevrolet | C20, C30, G20, G30, P20, P30, R20, R30 | 1971–1991 |
GMC | C25, C35, G25, G35, P25, P35, R2500, R3500 | 1971–1991 |
Fitment varies by brake configuration (disc vs. drum), suspension type, and trim level. Always confirm with VIN or OE specifications.
🔁 Cross-Reference Numbers
Brand | Equivalent Part Numbers |
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Moog | K6122 |
AC Delco | 45D0021, 46D0021A |
Mevotech | MK6122 |
Raybestos | 500-1021B |
TRW | JBJ7038, 10261 |
Delphi | TC1610 |
Dorman | B6122, 535-720 |
NAPA | 260-1119, 10261 |
Elgin | 1261K |
Sealed Power | 801-10261, 801-31153 |
Autospecialty | 286001, 0286001E |
Firestone | K6122 |
MAS Industries | B6122 |
These references help locate compatible replacements across catalogs and suppliers.
🛠️ Installation Tips
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Torque to manufacturer specs
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Grease thoroughly before use
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Replace in pairs for balanced suspension
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Check alignment after installation