PWR 61-5102 Steering Gear

Brand PWR 61-5102
Input Shaft Diameter 18.4
Input Shaft Spline Quantity 26
Output Shaft Diameter 31.7
Output Shaft Spline Quantity 9
Port 1 Thread Diameter 16
Port 2 Thread Diameter 18
Power Assisted Yes
Total Turns Lock To Lock 3.4
Fits Chevrolet and GMC · 372 vehicles

Direct fit. Makes installation easy with no modifications needed.

100% tested. Checked for leaks, pressure, noise, and function.

Power assisted. Delivers smooth steering response and control.

Cross-references 277524, 391090 and 5030121 for the same application. See all 4.

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PWR 61-5102 Steering Gear for GM 4x4 Trucks

PWR 61-5102 is a direct-fit power steering gear built for select Chevrolet and GMC trucks and SUVs from the 1980-1991 model years. It is engineered for straightforward installation and is tested for leaks, pressure, noise, and function before release.

Key Features

  • Direct-fit steering gear for compatible Chevrolet Blazer, K5 Blazer, K10, K20, K30, and GMC Jimmy, K1500, K2500, and K3500 applications
  • Power assisted steering gear design
  • 26-spline input shaft and 9-spline output shaft
  • Input shaft diameter: 18.4 mm
  • Output shaft diameter: 31.7 mm
  • 3.4 turns lock-to-lock
  • Port thread sizes: 16 mm and 18 mm
  • Cross-references 277524 and 391090 for the same application

Product Details

This steering gear is built for GM full-size 4x4 and utility platforms that need precise steering response and dependable hydraulic assist. Compatible vehicle coverage includes Fits 1980-1986 Chevrolet K10, Fits 1980-1986 Chevrolet K20, Fits 1980-1986 Chevrolet K30, Fits 1983-1986 Chevrolet K5 Blazer, Fits 1980-1986 GMC K1500, Fits 1980-1986 GMC K2500, Fits 1980-1986 GMC K3500, Fits 1987-1991 Chevrolet Blazer, and Fits 1980-1991 GMC Jimmy. PWR 61-5102 is also listed for 1987-1991 Chevrolet V1500 Suburban, V2500 Suburban, and V3500 applications, along with 1987-1988 Chevrolet V10 Suburban, V20 Suburban, and V30 models.

Common Issues This Part Can Address

  • Excessive steering play or loose on-center feel
  • Hydraulic steering gear leakage
  • Noise during steering input
  • Uneven or inconsistent steering assist
  • Worn internal gear function on aging GM trucks and SUVs

Installation Notes and Tips

Verify the input and output spline counts, shaft diameters, and port thread sizes before installation. This part number is intended for direct-fit replacement on the listed Chevrolet and GMC applications, including 1980-1991 Chevrolet Blazer and 1980-1991 GMC Jimmy platforms. Confirm steering linkage condition, hydraulic hose condition, and fluid cleanliness during service to help protect the replacement gear.

Quality Assurance

PWR states that its pumps, racks, and gears are tested for leaks, pressure, noise, and function, and that this unit is USA engineering approved. Those checks support consistent performance for replacement steering service on classic Chevrolet and GMC 4x4 applications.

This part fits 372 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypeLitersCylindersPositionNotes
1991ChevroletBlazer—5.7LV8N/A—
1991ChevroletBlazer—6.2LV8N/A—
1991ChevroletV1500 Suburban—5.7LV8N/A—
1991ChevroletV1500 Suburban—6.2LV8N/A—
1991ChevroletV2500 Suburban—5.7LV8N/A—
1991ChevroletV2500 Suburban—6.2LV8N/A—
1991ChevroletV3500—5.7LV8N/A—
1991ChevroletV3500—6.2LV8N/A—
1991ChevroletV3500—7.4LV8N/A—
1991GMCJimmy—5.7LV8N/A—
1991GMCJimmy—6.2LV8N/A—
1991GMCV1500 Suburban—5.7LV8N/A—
1991GMCV1500 Suburban—6.2LV8N/A—
1991GMCV2500 Suburban—5.7LV8N/A—
1991GMCV2500 Suburban—6.2LV8N/A—
1991GMCV3500—5.7LV8N/A—
1991GMCV3500—6.2LV8N/A—
1991GMCV3500—7.4LV8N/A—
1990ChevroletBlazer—5.7LV8N/A—
1990ChevroletBlazer—6.2LV8N/A—
1990ChevroletV1500 Suburban—5.7LV8N/A—
1990ChevroletV1500 Suburban—6.2LV8N/A—
1990ChevroletV2500 Suburban—5.7LV8N/A—
1990ChevroletV2500 Suburban—6.2LV8N/A—
1990ChevroletV2500 Suburban—7.4LV8N/A—
1990ChevroletV3500—5.7LV8N/A—
1990ChevroletV3500—6.2LV8N/A—
1990ChevroletV3500—7.4LV8N/A—
1990GMCJimmy—5.7LV8N/A—
1990GMCJimmy—6.2LV8N/A—
1990GMCV1500 Suburban—5.7LV8N/A—
1990GMCV1500 Suburban—6.2LV8N/A—
1990GMCV2500 Suburban—5.7LV8N/A—
1990GMCV2500 Suburban—6.2LV8N/A—
1990GMCV3500—5.7LV8N/A—
1990GMCV3500—6.2LV8N/A—
1990GMCV3500—7.4LV8N/A—
1989ChevroletBlazer—5.7LV8N/A—
1989ChevroletBlazer—6.2LV8N/A—
1989ChevroletV1500 Suburban—5.7LV8N/A—
1989ChevroletV1500 Suburban—6.2LV8N/A—
1989ChevroletV2500 Suburban—5.7LV8N/A—
1989ChevroletV2500 Suburban—6.2LV8N/A—
1989ChevroletV3500—5.7LV8N/A—
1989ChevroletV3500—6.2LV8N/A—
1989ChevroletV3500—7.4LV8N/A—
1989GMCJimmy—5.7LV8N/A—
1989GMCJimmy—6.2LV8N/A—
1989GMCV1500 Suburban—5.7LV8N/A—
1989GMCV1500 Suburban—6.2LV8N/A—
1989GMCV2500 Suburban—5.7LV8N/A—
1989GMCV2500 Suburban—6.2LV8N/A—
1989GMCV3500—5.7LV8N/A—
1989GMCV3500—6.2LV8N/A—
1989GMCV3500—7.4LV8N/A—
1988ChevroletBlazer—5.7LV8N/A—
1988ChevroletBlazer—6.2LV8N/A—
1988ChevroletV10 Suburban—5.7LV8N/A—
1988ChevroletV10 Suburban—6.2LV8N/A—
1988ChevroletV20 Suburban—5.7LV8N/A—
1988ChevroletV20 Suburban—6.2LV8N/A—
1988ChevroletV20 Suburban—7.4LV8N/A—
1988ChevroletV30—5.7LV8N/A—
1988ChevroletV30—6.2LV8N/A—
1988ChevroletV30—7.4LV8N/A—
1988ChevroletV30—4.8LL6N/A—
1988GMCJimmy—5.7LV8N/A—
1988GMCJimmy—6.2LV8N/A—
1988GMCV1500 Suburban—5.7LV8N/A—
1988GMCV1500 Suburban—6.2LV8N/A—
1988GMCV2500 Suburban—5.7LV8N/A—
1988GMCV2500 Suburban—6.2LV8N/A—
1988GMCV3500—5.7LV8N/A—
1988GMCV3500—6.2LV8N/A—
1988GMCV3500—7.4LV8N/A—
1988GMCV3500—4.8LL6N/A—
1987ChevroletBlazer—5.7LV8N/A—
1987ChevroletBlazer—5.0LV8N/A—
1987ChevroletBlazer—6.2LV8N/A—
1987ChevroletV10—5.7LV8N/A—
1987ChevroletV10—5.0LV8N/A—
1987ChevroletV10—6.2LV8N/A—
1987ChevroletV10—4.3LV6N/A—
1987ChevroletV10 Suburban—5.7LV8N/A—
1987ChevroletV10 Suburban—6.2LV8N/A—
1987ChevroletV20—5.7LV8N/A—
1987ChevroletV20—6.2LV8N/A—
1987ChevroletV20—4.8LL6N/A—
1987ChevroletV20 Suburban—5.7LV8N/A—
1987ChevroletV20 Suburban—6.2LV8N/A—
1987ChevroletV20 Suburban—7.4LV8N/A—
1987ChevroletV30—5.7LV8N/A—
1987ChevroletV30—6.2LV8N/A—
1987ChevroletV30—7.4LV8N/A—
1987ChevroletV30—4.8LL6N/A—
1987GMCJimmy—5.7LV8N/A—
1987GMCJimmy—5.0LV8N/A—
1987GMCJimmy—6.2LV8N/A—
1987GMCV1500—5.7LV8N/A—
1987GMCV1500—5.0LV8N/A—
1987GMCV1500—6.2LV8N/A—
1987GMCV1500—4.3LV6N/A—
1987GMCV1500 Suburban—5.7LV8N/A—
1987GMCV1500 Suburban—6.2LV8N/A—
1987GMCV2500—5.7LV8N/A—
1987GMCV2500—6.2LV8N/A—
1987GMCV2500—4.8LL6N/A—
1987GMCV2500 Suburban—5.7LV8N/A—
1987GMCV2500 Suburban—6.2LV8N/A—
1987GMCV3500—5.7LV8N/A—
1987GMCV3500—6.2LV8N/A—
1987GMCV3500—7.4LV8N/A—
1987GMCV3500—4.8LL6N/A—
1986ChevroletK10—5.7LV8N/A—
1986ChevroletK10—5.0LV8N/A—
1986ChevroletK10—6.2LV8N/A—
1986ChevroletK10—4.3LV6N/A—
1986ChevroletK10 Suburban—5.7LV8N/A—
1986ChevroletK10 Suburban—5.0LV8N/A—
1986ChevroletK10 Suburban—6.2LV8N/A—
1986ChevroletK20—5.7LV8N/A—
1986ChevroletK20—6.2LV8N/A—
1986ChevroletK20—4.8LL6N/A—
1986ChevroletK20 Suburban—5.7LV8N/A—
1986ChevroletK20 Suburban—5.0LV8N/A—
1986ChevroletK20 Suburban—6.2LV8N/A—
1986ChevroletK30—5.7LV8N/A—
1986ChevroletK30—6.2LV8N/A—
1986ChevroletK30—7.4LV8N/A—
1986ChevroletK30—4.8LL6N/A—
1986ChevroletK5 Blazer—5.7LV8N/A—
1986ChevroletK5 Blazer—5.0LV8N/A—
1986ChevroletK5 Blazer—6.2LV8N/A—
1986GMCJimmy—5.7LV8N/A—
1986GMCJimmy—5.0LV8N/A—
1986GMCJimmy—6.2LV8N/A—
1986GMCK1500—5.7LV8N/A—
1986GMCK1500—5.0LV8N/A—
1986GMCK1500—6.2LV8N/A—
1986GMCK1500—4.3LV6N/A—
1986GMCK1500 Suburban—5.7LV8N/A—
1986GMCK1500 Suburban—6.2LV8N/A—
1986GMCK2500—5.7LV8N/A—
1986GMCK2500—6.2LV8N/A—
1986GMCK2500—4.8LL6N/A—
1986GMCK2500 Suburban—5.7LV8N/A—
1986GMCK2500 Suburban—6.2LV8N/A—
1986GMCK3500—5.7LV8N/A—
1986GMCK3500—6.2LV8N/A—
1986GMCK3500—7.4LV8N/A—
1986GMCK3500—4.8LL6N/A—
1985ChevroletK10—5.7LV8N/A—
1985ChevroletK10—5.0LV8N/A—
1985ChevroletK10—6.2LV8N/A—
1985ChevroletK10—4.3LV6N/A—
1985ChevroletK10 Suburban—5.7LV8N/A—
1985ChevroletK10 Suburban—6.2LV8N/A—
1985ChevroletK20—5.7LV8N/A—
1985ChevroletK20—5.0LV8N/A—
1985ChevroletK20—6.2LV8N/A—
1985ChevroletK20—4.3LV6N/A—
1985ChevroletK20—4.8LL6N/A—
1985ChevroletK20 Suburban—5.7LV8N/A—
1985ChevroletK20 Suburban—5.0LV8N/A—
1985ChevroletK20 Suburban—6.2LV8N/A—
1985ChevroletK20 Suburban—7.4LV8N/A—
1985ChevroletK30—5.7LV8N/A—
1985ChevroletK30—6.2LV8N/A—
1985ChevroletK30—7.4LV8N/A—
1985ChevroletK30—4.8LL6N/A—
1985ChevroletK5 Blazer—5.7LV8N/A—
1985ChevroletK5 Blazer—5.0LV8N/A—
1985ChevroletK5 Blazer—6.2LV8N/A—
1985GMCJimmy—5.7LV8N/A—
1985GMCJimmy—5.0LV8N/A—
1985GMCJimmy—6.2LV8N/A—
1985GMCK1500—5.7LV8N/A—
1985GMCK1500—5.0LV8N/A—
1985GMCK1500—6.2LV8N/A—
1985GMCK1500—4.3LV6N/A—
1985GMCK1500 Suburban—5.7LV8N/A—
1985GMCK1500 Suburban—6.2LV8N/A—
1985GMCK2500—5.7LV8N/A—
1985GMCK2500—6.2LV8N/A—
1985GMCK2500—4.3LV6N/A—
1985GMCK2500—4.8LL6N/A—
1985GMCK2500 Suburban—5.7LV8N/A—
1985GMCK2500 Suburban—6.2LV8N/A—
1985GMCK3500—5.7LV8N/A—
1985GMCK3500—6.2LV8N/A—
1985GMCK3500—7.4LV8N/A—
1985GMCK3500—4.8LL6N/A—
1984ChevroletK10—5.7LV8N/A—
1984ChevroletK10—5.0LV8N/A—
1984ChevroletK10—6.2LV8N/A—
1984ChevroletK10—4.1LL6N/A—
1984ChevroletK10 Suburban—5.7LV8N/A—
1984ChevroletK10 Suburban—6.2LV8N/A—
1984ChevroletK20—5.7LV8N/A—
1984ChevroletK20—6.2LV8N/A—
1984ChevroletK20—4.8LL6N/A—
1984ChevroletK20 Suburban—5.7LV8N/A—
1984ChevroletK20 Suburban—6.2LV8N/A—
1984ChevroletK30—5.7LV8N/A—
1984ChevroletK30—6.2LV8N/A—
1984ChevroletK30—7.4LV8N/A—
1984ChevroletK30—4.8LL6N/A—
1984ChevroletK5 Blazer—5.7LV8N/A—
1984ChevroletK5 Blazer—5.0LV8N/A—
1984ChevroletK5 Blazer—6.2LV8N/A—
1984GMCJimmy—5.7LV8N/A—
1984GMCJimmy—5.0LV8N/A—
1984GMCJimmy—6.2LV8N/A—
1984GMCK1500—5.7LV8N/A—
1984GMCK1500—5.0LV8N/A—
1984GMCK1500—6.2LV8N/A—
1984GMCK1500—4.1LL6N/A—
1984GMCK1500 Suburban—5.7LV8N/A—
1984GMCK1500 Suburban—6.2LV8N/A—
1984GMCK2500—5.7LV8N/A—
1984GMCK2500—6.2LV8N/A—
1984GMCK2500—4.8LL6N/A—
1984GMCK2500 Suburban—5.7LV8N/A—
1984GMCK2500 Suburban—6.2LV8N/A—
1984GMCK2500 Suburban—4.8LL6N/A—
1984GMCK3500—5.7LV8N/A—
1984GMCK3500—6.2LV8N/A—
1984GMCK3500—7.4LV8N/A—
1984GMCK3500—4.8LL6N/A—
1983ChevroletK10—5.7LV8N/A—
1983ChevroletK10—5.0LV8N/A—
1983ChevroletK10—6.2LV8N/A—
1983ChevroletK10—4.1LL6N/A—
1983ChevroletK10 Suburban—5.7LV8N/A—
1983ChevroletK10 Suburban—5.0LV8N/A—
1983ChevroletK10 Suburban—6.2LV8N/A—
1983ChevroletK20—5.7LV8N/A—
1983ChevroletK20—6.2LV8N/A—
1983ChevroletK20—4.8LL6N/A—
1983ChevroletK20 Suburban—5.7LV8N/A—
1983ChevroletK20 Suburban—6.2LV8N/A—
1983ChevroletK30—5.7LV8N/A—
1983ChevroletK30—6.2LV8N/A—
1983ChevroletK30—7.4LV8N/A—
1983ChevroletK30—4.8LL6N/A—
1983ChevroletK5 Blazer—5.7LV8N/A—
1983ChevroletK5 Blazer—5.0LV8N/A—
1983ChevroletK5 Blazer—6.2LV8N/A—
1983GMCJimmy—5.7LV8N/A—
1983GMCJimmy—5.0LV8N/A—
1983GMCJimmy—6.2LV8N/A—
1983GMCK1500—5.7LV8N/A—
1983GMCK1500—5.0LV8N/A—
1983GMCK1500—6.2LV8N/A—
1983GMCK1500—4.1LL6N/A—
1983GMCK1500 Suburban—5.7LV8N/A—
1983GMCK1500 Suburban—6.2LV8N/A—
1983GMCK2500—5.7LV8N/A—
1983GMCK2500—6.2LV8N/A—
1983GMCK2500—4.8LL6N/A—
1983GMCK2500 Suburban—5.7LV8N/A—
1983GMCK2500 Suburban—6.2LV8N/A—
1983GMCK3500—5.7LV8N/A—
1983GMCK3500—6.2LV8N/A—
1983GMCK3500—7.4LV8N/A—
1983GMCK3500—4.8LL6N/A—
1982ChevroletK10—5.7LV8N/A—
1982ChevroletK10—5.0LV8N/A—
1982ChevroletK10—6.2LV8N/A—
1982ChevroletK10—4.1LL6N/A—
1982ChevroletK10 Suburban—5.7LV8N/A—
1982ChevroletK10 Suburban—6.2LV8N/A—
1982ChevroletK20—5.7LV8N/A—
1982ChevroletK20—6.2LV8N/A—
1982ChevroletK20—4.8LL6N/A—
1982ChevroletK20 Suburban—5.7LV8N/A—
1982ChevroletK20 Suburban—6.2LV8N/A—
1982ChevroletK20 Suburban—4.8LL6N/A—
1982ChevroletK30—5.7LV8N/A—
1982ChevroletK30—6.2LV8N/A—
1982ChevroletK30—7.4LV8N/A—
1982ChevroletK30—4.8LL6N/A—
1982GMCJimmy4WD5.7LV8N/A—
1982GMCJimmy4WD5.0LV8N/A—
1982GMCJimmy4WD6.2LV8N/A—
1982GMCJimmy4WD4.1LL6N/A—
1982GMCK1500—5.7LV8N/A—
1982GMCK1500—5.0LV8N/A—
1982GMCK1500—6.2LV8N/A—
1982GMCK1500—4.1LL6N/A—
1982GMCK1500 Suburban—5.7LV8N/A—
1982GMCK1500 Suburban—5.0LV8N/A—
1982GMCK1500 Suburban—6.2LV8N/A—
1982GMCK2500—5.7LV8N/A—
1982GMCK2500—6.2LV8N/A—
1982GMCK2500—4.8LL6N/A—
1982GMCK2500 Suburban—5.7LV8N/A—
1982GMCK2500 Suburban—6.2LV8N/A—
1982GMCK2500 Suburban—4.8LL6N/A—
1982GMCK3500—5.7LV8N/A—
1982GMCK3500—6.2LV8N/A—
1982GMCK3500—7.4LV8N/A—
1982GMCK3500—4.8LL6N/A—
1981ChevroletK10—5.7LV8N/A—
1981ChevroletK10—5.0LV8N/A—
1981ChevroletK10—4.1LL6N/A—
1981ChevroletK10 Suburban—5.7LV8N/A—
1981ChevroletK10 Suburban—5.0LV8N/A—
1981ChevroletK20—5.7LV8N/A—
1981ChevroletK20—4.8LL6N/A—
1981ChevroletK20 Suburban—5.7LV8N/A—
1981ChevroletK20 Suburban—4.8LL6N/A—
1981ChevroletK30—5.7LV8N/A—
1981ChevroletK30—7.4LV8N/A—
1981ChevroletK30—4.8LL6N/A—
1981GMCJimmy4WD5.7LV8N/A—
1981GMCJimmy4WD5.0LV8N/A—
1981GMCJimmy4WD4.1LL6N/A—
1981GMCK1500—5.7LV8N/A—
1981GMCK1500—5.0LV8N/A—
1981GMCK1500—4.1LL6N/A—
1981GMCK1500 Suburban—5.7LV8N/A—
1981GMCK2500—5.7LV8N/A—
1981GMCK2500—4.8LL6N/A—
1981GMCK2500 Suburban—5.7LV8N/A—
1981GMCK2500 Suburban—4.8LL6N/A—
1981GMCK3500—5.7LV8N/A—
1981GMCK3500—7.4LV8N/A—
1981GMCK3500—4.8LL6N/A—
1980ChevroletK10—6.6LV8N/A—
1980ChevroletK10—5.7LV8N/A—
1980ChevroletK10—4.1LL6N/A—
1980ChevroletK10—7.4LV8N/A—
1980ChevroletK10—4.8LL6N/A—
1980ChevroletK10 Suburban—5.7LV8N/A—
1980ChevroletK10 Suburban—4.1LL6N/A—
1980ChevroletK20—6.6LV8N/A—
1980ChevroletK20—5.7LV8N/A—
1980ChevroletK20—4.1LL6N/A—
1980ChevroletK20—4.8LL6N/A—
1980ChevroletK20 Suburban—6.6LV8N/A—
1980ChevroletK20 Suburban—5.7LV8N/A—
1980ChevroletK20 Suburban—4.8LL6N/A—
1980ChevroletK30—6.6LV8N/A—
1980ChevroletK30—5.7LV8N/A—
1980ChevroletK30—7.4LV8N/A—
1980ChevroletK30—4.8LL6N/A—
1980ChevroletK5 Blazer4WD5.7LV8N/APower Steering
1980ChevroletK5 Blazer4WD5.0LV8N/APower Steering
1980ChevroletK5 Blazer4WD4.1LL6N/APower Steering
1980GMCJimmy4WD5.7LV8N/A—
1980GMCJimmy4WD5.0LV8N/A—
1980GMCJimmy4WD4.1LL6N/A—
1980GMCK1500—6.6LV8N/A—
1980GMCK1500—5.7LV8N/A—
1980GMCK1500—4.1LL6N/A—
1980GMCK1500—7.4LV8N/A—
1980GMCK1500—4.8LL6N/A—
1980GMCK1500 Suburban—6.6LV8N/A—
1980GMCK1500 Suburban—5.7LV8N/A—
1980GMCK1500 Suburban—4.1LL6N/A—
1980GMCK2500—6.6LV8N/A—
1980GMCK2500—5.7LV8N/A—
1980GMCK2500—4.1LL6N/A—
1980GMCK2500—4.8LL6N/A—
1980GMCK2500 Suburban—6.6LV8N/A—
1980GMCK2500 Suburban—5.7LV8N/A—
1980GMCK2500 Suburban—4.8LL6N/A—
1980GMCK3500—6.6LV8N/A—
1980GMCK3500—5.7LV8N/A—
1980GMCK3500—7.4LV8N/A—
1980GMCK3500—4.8LL6N/A—
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
277524391090503012119321369