Pioneer Cables 747020 Automatic Transmission Modulator Valve

Brand Pioneer Cables 747020
Fits Chevrolet, Suzuki, Geo, GMC, Pontiac, Fiat, Peugeot, and Opel · 156 vehicles

Exact fit replacement. No-compromise part for straightforward installation.

Automatic transmission valve. A hard part built for transmission control and operation.

Cross-references Pioneer Automotive Industries 747020 for the same application. See all 1.

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Automatic Transmission Modulator Valve for GM and Suzuki Applications

Pioneer Cables 747020 is an automatic transmission modulator valve built as an exact-fit replacement for select GM and Suzuki vehicles. It is listed for a wide range of Chevrolet Tracker, Geo Tracker, and Suzuki Sidekick applications, along with several 1976-1987 Chevrolet and GMC truck and van models.

  • Automatic transmission modulator valve for select GM and Suzuki vehicles
  • Exact-fit replacement from Pioneer Transmission Components
  • Application-specific fitment for Tracker, Sidekick, Chevette, S10, Jimmy, and related models
  • Fits multiple transmission configurations noted in the catalog, including screw-in and broached styles
  • Part number 747020 for easy identification and ordering

Detailed Fitment and Function

This modulator valve is used in automatic transmission systems to match the listed vehicle and transmission applications. Compatible With 1998 Chevrolet Tracker, 1989-1991 Chevrolet Tracker, 1998 Suzuki Sidekick, 1995-1997 Geo Tracker, 1989-1992 Geo Tracker, 1996-1997 Geo Tracker, and 1993-1994 Geo Tracker, as well as 1987 Chevrolet and GMC truck, van, and utility models shown in the fitment data. The catalog also lists 1976-1987 Chevrolet Chevette and 1978-1987 Pontiac Acadian coverage, making 747020 a useful reference when servicing older GM automatic transmission setups.

This part cross-references Pioneer Automotive Industries (e.g., 747020) for the same application.

What It Helps Address

  • Transmission shift timing concerns tied to a worn modulator valve
  • Vacuum-modulated transmission control issues on listed applications
  • Replacement needs for damaged screw-in or broached valve styles
  • Service work on Tracker, Sidekick, Chevette, S10, Jimmy, and related GM platforms

Installation Notes and Tips

Verify the transmission type and catalog notes before installation. Several applications list specific requirements such as ADJ 15-16, EDA 1.95, dual blue, blue, or red stripe configurations, and some rows note limited transmission coverage such as THM180, THM180C, 3L30, 3L80, THM425, or THM475/M40. Confirm the original valve style, thread type, and transmission family against the vehicle before ordering. Part number 747020 should be matched to the exact application listed in the fitment table.

Quality Assurance

Pioneer Transmission Components markets these parts as exact-fit replacement components with no compromise in application matching. That makes 747020 a practical choice when you need a direct replacement modulator valve for the listed Chevrolet Tracker, Geo Tracker, and related GM automatic transmission applications.

This part fits 156 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersPositionNotes
1998ChevroletTracker—1.6LL4N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue
1998ChevroletTracker—1.6LL4N/AADJ 15-16 - EDA 1.95 - broached - blue
1998SuzukiSidekick———N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue
1997GeoTracker———N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue
1997GeoTracker———N/AADJ 15-16 - EDA 1.95 - broached - blue
1996GeoTracker———N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue
1996GeoTracker———N/AADJ 15-16 - EDA 1.95 - broached - blue
1995GeoTracker———N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue
1994GeoTracker———N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue; Only Fits THM180, THM180C
1993GeoTracker———N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue; Only Fits THM180, THM180C
1992GeoTracker———N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue
1991ChevroletTracker———N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue
1991GeoTracker———N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue
1990ChevroletTracker———N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue
1990GeoTracker———N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue
1989ChevroletTracker———N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue
1989GeoTracker———N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue
1987ChevroletBlazerAutomatic——N/AAdjustable Dual Blue
1987ChevroletChevette———N/AAdjustable Dual Blue
1987ChevroletG10—5.7LV8N/AAdjustable Dual Blue
1987ChevroletG10—5.0LV8N/AAdjustable Dual Blue
1987ChevroletG10—4.3LV6N/AAdjustable Dual Blue
1987ChevroletG20—6.2LV8N/AAdjustable Dual Blue
1987ChevroletG20—5.7LV8N/AAdjustable Dual Blue
1987ChevroletG20—5.0LV8N/AAdjustable Dual Blue
1987ChevroletG20—4.3LV6N/AAdjustable Dual Blue
1987ChevroletG30—6.2LV8N/AAdjustable Dual Blue
1987ChevroletG30—5.7LV8N/AAdjustable Dual Blue
1987ChevroletG30—4.3LV6N/AAdjustable Dual Blue
1987ChevroletR10—6.2LV8N/AAdjustable Dual Blue
1987ChevroletR10—5.7LV8N/AAdjustable Dual Blue
1987ChevroletR10—5.0LV8N/AAdjustable Dual Blue
1987ChevroletR10—4.3LV6N/AAdjustable Dual Blue
1987ChevroletR10 Suburban———N/AAdjustable Dual Blue; Only Fits THM180C/MD2
1987ChevroletR20—7.4LV8N/AAdjustable Dual Blue
1987ChevroletR20—6.2LV8N/AAdjustable Dual Blue
1987ChevroletR20—5.7LV8N/AAdjustable Dual Blue
1987ChevroletR20—5.0LV8N/AAdjustable Dual Blue
1987ChevroletR20—4.8LL6N/AAdjustable Dual Blue
1987ChevroletR20—4.3LV6N/AAdjustable Dual Blue
1987ChevroletR20 Suburban—7.4LV8N/AAdjustable Dual Blue
1987ChevroletR20 Suburban—6.2LV8N/AAdjustable Dual Blue
1987ChevroletR20 Suburban—5.7LV8N/AAdjustable Dual Blue
1987ChevroletR30—7.4LV8N/AAdjustable Dual Blue
1987ChevroletR30—6.2LV8N/AAdjustable Dual Blue
1987ChevroletR30—5.7LV8N/AAdjustable Dual Blue
1987ChevroletR30—4.8LL6N/AAdjustable Dual Blue
1987ChevroletS10Automatic——N/AAdjustable Dual Blue
1987ChevroletS10 BlazerAutomatic——N/AAdjustable Dual Blue
1987ChevroletV10—6.2LV8N/AAdjustable Dual Blue
1987ChevroletV10—5.7LV8N/AAdjustable Dual Blue
1987ChevroletV10—5.0LV8N/AAdjustable Dual Blue
1987ChevroletV10—4.3LV6N/AAdjustable Dual Blue
1987ChevroletV20—6.2LV8N/AAdjustable Dual Blue
1987ChevroletV20—5.7LV8N/AAdjustable Dual Blue
1987ChevroletV20—4.8LL6N/AAdjustable Dual Blue
1987ChevroletV20 Suburban—7.4LV8N/AAdjustable Dual Blue
1987ChevroletV20 Suburban—6.2LV8N/AAdjustable Dual Blue
1987ChevroletV20 Suburban—5.7LV8N/AAdjustable Dual Blue
1987ChevroletV30—7.4LV8N/AAdjustable Dual Blue
1987ChevroletV30—6.2LV8N/AAdjustable Dual Blue
1987ChevroletV30—5.7LV8N/AAdjustable Dual Blue
1987ChevroletV30—4.8LL6N/AAdjustable Dual Blue
1987GMCG1500—5.7LV8N/AAdjustable Dual Blue
1987GMCG1500—5.0LV8N/AAdjustable Dual Blue
1987GMCG1500—4.3LV6N/AAdjustable Dual Blue
1987GMCG2500—6.2LV8N/AAdjustable Dual Blue
1987GMCG2500—5.7LV8N/AAdjustable Dual Blue
1987GMCG2500—5.0LV8N/AAdjustable Dual Blue
1987GMCG2500—4.3LV6N/AAdjustable Dual Blue
1987GMCG3500—6.2LV8N/AAdjustable Dual Blue
1987GMCG3500—5.7LV8N/AAdjustable Dual Blue
1987GMCG3500—4.3LV6N/AAdjustable Dual Blue
1987GMCJimmyAutomatic——N/AAdjustable Dual Blue
1987GMCR1500—6.2LV8N/AAdjustable Dual Blue
1987GMCR1500—5.7LV8N/AAdjustable Dual Blue
1987GMCR1500—5.0LV8N/AAdjustable Dual Blue
1987GMCR1500—4.3LV6N/AAdjustable Dual Blue
1987GMCR1500 Suburban———N/AAdjustable Dual Blue; Only Fits THM180C/MD2
1987GMCR2500—7.4LV8N/AAdjustable Dual Blue
1987GMCR2500—6.2LV8N/AAdjustable Dual Blue
1987GMCR2500—5.7LV8N/AAdjustable Dual Blue
1987GMCR2500—5.0LV8N/AAdjustable Dual Blue
1987GMCR2500—4.8LL6N/AAdjustable Dual Blue
1987GMCR2500—4.3LV6N/AAdjustable Dual Blue
1987GMCR2500 Suburban—7.4LV8N/AAdjustable Dual Blue
1987GMCR2500 Suburban—6.2LV8N/AAdjustable Dual Blue
1987GMCR2500 Suburban—5.7LV8N/AAdjustable Dual Blue
1987GMCR3500—7.4LV8N/AAdjustable Dual Blue
1987GMCR3500—6.2LV8N/AAdjustable Dual Blue
1987GMCR3500—5.7LV8N/AAdjustable Dual Blue
1987GMCR3500—4.8LL6N/AAdjustable Dual Blue
1987GMCS15Automatic——N/AAdjustable Dual Blue
1987GMCS15 JimmyAutomatic——N/AAdjustable Dual Blue
1987GMCV1500—6.2LV8N/AAdjustable Dual Blue
1987GMCV1500—5.7LV8N/AAdjustable Dual Blue
1987GMCV1500—5.0LV8N/AAdjustable Dual Blue
1987GMCV1500—4.3LV6N/AAdjustable Dual Blue
1987GMCV1500 Suburban———N/AAdjustable Dual Blue; Only Fits THM180C/MD2
1987GMCV2500—6.2LV8N/AAdjustable Dual Blue
1987GMCV2500—5.7LV8N/AAdjustable Dual Blue
1987GMCV2500—4.8LL6N/AAdjustable Dual Blue
1987GMCV2500 Suburban—6.2LV8N/AAdjustable Dual Blue
1987GMCV2500 Suburban—5.7LV8N/AAdjustable Dual Blue
1987GMCV3500—7.4LV8N/AAdjustable Dual Blue
1987GMCV3500—6.2LV8N/AAdjustable Dual Blue
1987GMCV3500—5.7LV8N/AAdjustable Dual Blue
1987GMCV3500—4.8LL6N/AAdjustable Dual Blue
1987PontiacAcadian—1.6LL4N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue; Only Fits 3L30, THM180, THM180C
1987PontiacT1000—1.6LL4N/AAdjustable Dual Blue
1986ChevroletChevette———N/AAdjustable Dual Blue
1986PontiacAcadian—1.8LL4N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue; Only Fits 3L30, THM180, THM180C
1986PontiacAcadian—1.6LL4N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue; Only Fits 3L30, THM180, THM180C
1986PontiacT1000—1.6LL4N/AAdjustable Dual Blue
1985ChevroletChevette———N/AAdjustable Dual Blue
1985PontiacAcadian—1.8LL4N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue; Only Fits 3L30, THM180, THM180C
1985PontiacAcadian—1.6LL4N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue; Only Fits 3L30, THM180, THM180C
1985PontiacT1000—1.6LL4N/AAdjustable Dual Blue
1984ChevroletChevette———N/AAdjustable Dual Blue
1984PontiacAcadian—1.8LL4N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue; Only Fits 3L30, THM180, THM180C
1984PontiacAcadian—1.6LL4N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue; Only Fits 3L30, THM180, THM180C
1984PontiacT1000—1.6LL4N/AAdjustable Dual Blue
1983ChevroletChevette———N/AAdjustable Dual Blue
1983PontiacAcadian—1.8LL4N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue; Only Fits 3L30, THM180, THM180C
1983PontiacAcadian—1.6LL4N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue; Only Fits 3L30, THM180, THM180C
1983PontiacT1000—1.6LL4N/AAdjustable Dual Blue
1982ChevroletC30—7.4LV8N/AADJ 12.5-18 - EDA 1.75 - Red Stripe - w/o EGR; Only Fits 3L80, THM425, THM475/M40
1982ChevroletC30—6.2LV8N/AADJ 12.5-18 - EDA 1.75 - Red Stripe - w/o EGR; Only Fits 3L80, THM425, THM475/M40
1982ChevroletC30—5.7LV8N/AADJ 12.5-18 - EDA 1.75 - Red Stripe - w/o EGR; Only Fits 3L80, THM425, THM475/M40
1982ChevroletC30—4.8LL6N/AADJ 12.5-18 - EDA 1.75 - Red Stripe - w/o EGR; Only Fits 3L80, THM425, THM475/M40
1982ChevroletC30—4.1LL6N/AADJ 12.5-18 - EDA 1.75 - Red Stripe - w/o EGR; Only Fits 3L80, THM425, THM475/M40
1982ChevroletChevette———N/AAdjustable Dual Blue
1982PontiacAcadian—1.8LL4N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue; Only Fits 3L30, THM180, THM180C
1982PontiacAcadian—1.6LL4N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue; Only Fits 3L30, THM180, THM180C
1982PontiacT1000—1.6LL4N/AAdjustable Dual Blue
1981ChevroletChevette—1.8LL4N/AAdjustable Dual Blue
1981ChevroletChevette—1.6LL4N/AAdjustable Dual Blue
1981PontiacAcadian—1.8LL4N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue; Only Fits 3L30, THM180, THM180C
1981PontiacAcadian—1.6LL4N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue; Only Fits 3L30, THM180, THM180C
1981PontiacT1000—1.6LL4N/AAdjustable Dual Blue
1980ChevroletChevette—1.6LL4N/AAdjustable Dual Blue
1980PontiacAcadian—1.6LL4N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue; Only Fits 3L30, THM180, THM180C
1979ChevroletChevette—1.6LL4N/AAdjustable Dual Blue
1979PontiacAcadian—1.6LL4N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue; Only Fits 3L30, THM180, THM180C
1979PontiacAcadian—1.6LL4N/AADJ 15-16 - EDA 1.95 - broached - blue; Only Fits 3L30, THM180, THM180C
1978ChevroletChevette—1.6LL4N/AAdjustable Dual Blue
1978PontiacAcadian—1.6LL4N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue; Only Fits 3L30, THM180, THM180C
1978PontiacAcadian—1.6LL4N/AADJ 15-16 - EDA 1.95 - broached - blue; Only Fits 3L30, THM180, THM180C
1977ChevroletChevette—1.6LL4N/AAdjustable Dual Blue
1977ChevroletChevette—1.4LL4N/AAdjustable Dual Blue
1977PontiacAcadian—1.6LL4N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue; Only Fits 3L30, 4L30-E, THM180, THM180C
1977PontiacAcadian—1.6LL4N/AADJ 15-16 - EDA 1.95 - broached - blue; Only Fits 3L30, 4L30-E, THM180, THM180C
1977PontiacAcadian—1.4LL4N/AADJ 15-16 - EDA 1.95 - Screw in - dual blue; Only Fits 3L30, 4L30-E, THM180, THM180C
1977PontiacAcadian—1.4LL4N/AADJ 15-16 - EDA 1.95 - broached - blue; Only Fits 3L30, 4L30-E, THM180, THM180C
1976ChevroletChevetteAutomatic——N/AAdjustable Dual Blue
1976PontiacAcadian———N/AOnly Fits 3L30, THM180, THM180C
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Pioneer Automotive Industries — 747020