SKF SC406ALH ABS Wheel Speed Sensor Wiring Harness - Front Left

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SKF SC406ALH ABS Wheel Speed Sensor Wiring Harness - Front Left

Brand	SKF SC406ALH
Position	Front Left
Fits	Chevrolet and GMC · 77 vehicles

OEM-spec engineering. Precisely engineered to meet demanding road conditions.

ABS sensor harness. Combines the sensor and harness in one assembly.

SKF quality standards. Designed and manufactured for long life and safety.

Cross-references 420007, 19181877 and 52122425AB for the same application. See all 3.

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SKF ABS Wheel Speed Sensor Wiring Harness SC406ALH

SKF SC406ALH is an ABS wheel speed sensor wiring harness built for front left applications on select Chevrolet, GMC, and related GM trucks and SUVs. It is engineered to OEM specifications to support accurate ABS signal transfer in demanding road conditions.

Key Features

ABS wheel speed sensor wiring harness for the front left position
OEM-spec engineering for consistent fit and signal integrity
Designed for select Chevrolet K2500, K3500, Tahoe, Blazer, and GMC K2500/K3500/Yukon applications
SKF part number SC406ALH for direct identification
Cross-references SKF SC406ALH with 420007 and 19181877 for the same application

Detailed Description

The SKF SC406ALH ABS wheel speed sensor wiring harness is made for vehicles that rely on a stable wheel speed signal to support the anti-lock braking system. This harness is specified for front left fitment on applications including 1988-2000 Chevrolet K2500, 1988-2000 Chevrolet K3500, 1995-1999 Chevrolet Tahoe, 1994 Chevrolet Blazer, 1988-2000 GMC K2500, 1990-2000 GMC K3500, 1994-1997 GMC Yukon, 2000 GMC Yukon XL 2500, and 1992-1999 Chevrolet and GMC K2500 Suburban models with the listed bracket notes. If you are searching for a front left ABS wheel speed sensor wiring harness for a Chevrolet K2500 or GMC Yukon, SC406ALH is the catalog reference to use.

SKF draws on more than 100 years of engineering experience, and this harness is manufactured to high quality standards for long service life and safety-focused performance. The inside diameter is 30.50.

What It Helps Fix

ABS warning light caused by a damaged wheel speed sensor harness
Intermittent wheel speed signal loss at the front left wheel
Brake system fault codes related to wiring damage or connector wear
Signal disruption from road debris, corrosion, or flex fatigue
Poor ABS communication on Chevrolet K2500, GMC K3500, and similar GM platforms

Installation Notes and Tips

Verify the vehicle year, make, model, position, and bracket notes before installation. Confirm front left placement and compare the original harness routing, connector style, and mounting points to the existing part. For best results, inspect nearby ABS components and wiring for corrosion, abrasion, or broken retainers before completing the repair.

Quality Assurance

SKF manufactures this ABS wheel speed sensor wiring harness to OEM specifications and quality standards intended to support long-term durability and safe operation.

This part fits 77 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Drive Type	Liters	Cylinders	Position	Notes
2000	Chevrolet	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
2000	Chevrolet	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
2000	GMC	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
2000	GMC	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
2000	GMC	Yukon XL 2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1999	Chevrolet	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1999	Chevrolet	K2500 Suburban	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1999	Chevrolet	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1999	Chevrolet	Tahoe	4WD	6.5L	V8	Front Left	Sqr. Ctr. Brkt.
1999	GMC	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1999	GMC	K2500 Suburban	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1999	GMC	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1998	Chevrolet	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1998	Chevrolet	K2500 Suburban	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1998	Chevrolet	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1998	Chevrolet	Tahoe	4WD	6.5L	V8	Front Left	Sqr. Ctr. Brkt.
1998	GMC	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1998	GMC	K2500 Suburban	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1998	GMC	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1997	Chevrolet	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1997	Chevrolet	K2500 Suburban	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1997	Chevrolet	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1997	Chevrolet	Tahoe	4WD	6.5L	V8	Front Left	Sqr. Ctr. Brkt.
1997	GMC	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1997	GMC	K2500 Suburban	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1997	GMC	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1997	GMC	Yukon	4WD	6.5L	V8	Front Left	Sqr. Ctr. Brkt.
1996	Chevrolet	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1996	Chevrolet	K2500 Suburban	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1996	Chevrolet	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1996	Chevrolet	Tahoe	4WD	6.5L	V8	Front Left	Sqr. Ctr. Brkt.
1996	GMC	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1996	GMC	K2500 Suburban	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1996	GMC	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1996	GMC	Yukon	4WD	6.5L	V8	Front Left	Sqr. Ctr. Brkt.
1995	Chevrolet	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1995	Chevrolet	K2500 Suburban	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1995	Chevrolet	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1995	Chevrolet	Tahoe	4WD	6.5L	V8	Front Left	Sqr. Ctr. Brkt.
1995	GMC	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1995	GMC	K2500 Suburban	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1995	GMC	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1995	GMC	Yukon	4WD	6.5L	V8	Front Left	Sqr. Ctr. Brkt.
1994	Chevrolet	Blazer	4WD	6.5L	V8	Front Left	Sqr. Ctr. Brkt.
1994	Chevrolet	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1994	Chevrolet	K2500 Suburban	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1994	Chevrolet	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1994	GMC	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1994	GMC	K2500 Suburban	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1994	GMC	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1994	GMC	Yukon	4WD	6.5L	V8	Front Left	Sqr. Ctr. Brkt.
1993	Chevrolet	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1993	Chevrolet	K2500 Suburban	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1993	Chevrolet	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1993	GMC	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1993	GMC	K2500 Suburban	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1993	GMC	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1992	Chevrolet	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1992	Chevrolet	K2500 Suburban	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1992	Chevrolet	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1992	GMC	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1992	GMC	K2500 Suburban	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1992	GMC	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1991	Chevrolet	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1991	Chevrolet	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1991	GMC	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1991	GMC	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1990	Chevrolet	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1990	Chevrolet	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1990	GMC	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1990	GMC	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1989	Chevrolet	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1989	Chevrolet	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1989	GMC	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1988	Chevrolet	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
1988	Chevrolet	K3500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.
1988	GMC	K2500	4WD	—	—	Front Left	Sqr. Ctr. Brkt.; 8,600 lb GVW
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Directly replaces or cross-references 3 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

4200071918187752122425AB