/live/media/MO/MO_K6390_Ang.jpg)
OE Quality
60-Day Returns
MoogPart #: K6390
Moog K6390 Steering Idler Arm
70 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$75.34Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, Blazer, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, and Yukon
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all Steering Idler Arm options
Overview of Moog K6390 Steering Idler Arm
The Moog K6390 Steering Idler Arm is designed for reliable steering performance in Chevrolet and GMC trucks and SUVs. This pre-greased idler arm includes all necessary hardware for installation, ensuring a secure fit and long-lasting durability.
- Pre-greased for immediate use and reduced maintenance
- Includes castle nut and grease fitting for proper installation and lubrication
- Mounting hole diameter of 2.382 inches (60.5 mm) for precise fitment
- Length measures 5.512 inches (140.0 mm) to match OEM specifications
Detailed Product Description
The Moog K6390 steering idler arm is engineered to meet the exact specifications required for Chevrolet and GMC models such as Blazer, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, and Yukon. Its pre-greased design reduces initial wear and extends service life, while the included castle nut and grease fitting simplify installation and maintenance. The mounting hole diameter of 2.382 inches (60.5 mm) and overall length of 5.512 inches (140.0 mm) ensure a precise fit, maintaining proper steering geometry and vehicle handling.
Common Applications and Problem Resolution
- Restores proper steering linkage alignment in Chevrolet and GMC trucks and SUVs
- Eliminates excessive play or looseness in the steering system
- Addresses uneven tire wear caused by faulty idler arms
- Reduces steering vibration and improves road handling stability
- Prevents premature wear of related steering components
Installation Notes and Tips
- Verify compatibility with your specific Chevrolet or GMC model before installation
- Use the included castle nut and grease fitting to secure and lubricate the idler arm properly
- Ensure mounting holes align correctly with the vehicle’s frame for a secure fit
- Check steering system alignment after installation to maintain optimal handling
Quality Assurance and Warranty
Moog parts are manufactured to meet or exceed OEM standards, providing dependable performance and durability. The K6390 steering idler arm comes pre-greased and includes all necessary hardware to facilitate proper installation. While specific warranty details may vary, Moog typically offers a limited warranty against defects in materials and workmanship to ensure customer confidence in their product.
| Brand | Moog |
|---|---|
| Part Number | K6390 |
| Castle Nut Included | Yes |
| Grease Fitting Included | Yes |
| Length | 5.512 |
| Length | 140.0 |
| Mounting Hole Diameter | 2.382 |
| Mounting Hole Diameter | 60.5 |
| Pre-Greased | Yes |
This part fits 70 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1992 | Chevrolet | Blazer | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1992 | Chevrolet | C1500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1992 | Chevrolet | C1500 Suburban | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1992 | Chevrolet | C2500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1992 | Chevrolet | C2500 Suburban | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1992 | Chevrolet | C3500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1992 | Chevrolet | K1500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1992 | Chevrolet | K1500 Suburban | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1992 | Chevrolet | K2500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1992 | Chevrolet | K2500 Suburban | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1992 | Chevrolet | K3500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1992 | GMC | C1500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1992 | GMC | C1500 Suburban | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1992 | GMC | C2500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1992 | GMC | C2500 Suburban | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1992 | GMC | C3500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1992 | GMC | K1500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1992 | GMC | K1500 Suburban | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1992 | GMC | K2500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1992 | GMC | K2500 Suburban | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1992 | GMC | K3500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1992 | GMC | Yukon | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1991 | Chevrolet | C1500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1991 | Chevrolet | C2500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1991 | Chevrolet | C3500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1991 | Chevrolet | K1500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1991 | Chevrolet | K2500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1991 | Chevrolet | K3500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1991 | GMC | C1500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1991 | GMC | C2500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1991 | GMC | C3500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1991 | GMC | K1500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1991 | GMC | K2500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1991 | GMC | K3500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1990 | Chevrolet | C1500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1990 | Chevrolet | C2500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1990 | Chevrolet | C3500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1990 | Chevrolet | K1500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1990 | Chevrolet | K2500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1990 | Chevrolet | K3500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1990 | GMC | C1500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1990 | GMC | C2500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1990 | GMC | C3500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1990 | GMC | K1500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1990 | GMC | K2500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1990 | GMC | K3500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1989 | Chevrolet | C1500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1989 | Chevrolet | C2500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1989 | Chevrolet | C3500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1989 | Chevrolet | K1500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1989 | Chevrolet | K2500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1989 | Chevrolet | K3500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1989 | GMC | C1500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1989 | GMC | C2500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1989 | GMC | C3500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1989 | GMC | K1500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1989 | GMC | K2500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1989 | GMC | K3500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1988 | Chevrolet | C1500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1988 | Chevrolet | C2500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1988 | Chevrolet | C3500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1988 | Chevrolet | K1500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1988 | Chevrolet | K2500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1988 | Chevrolet | K3500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1988 | GMC | C1500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1988 | GMC | C2500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1988 | GMC | C3500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1988 | GMC | K1500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1988 | GMC | K2500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
| 1988 | GMC | K3500 | N/A | Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces; Heavy Duty Design Includes Frame Bracket |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
09-86001190137190137HD26016461268-3687268-3687FT450-109945C1099531-329620.6602962166029986001FA1680FA1680EIA6390JIA211K6390MK6390TA2133
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.