??? 8663385 NEW SET of 2 for 1985-91 GM Transmission Servo Accumulator Spring 1, 2 Description ORIGINAL FACTORY PARTS NOT Aftermarket or Refurbished This is an Original 8663385 NEW SET of 2 for 1985-91 Chevy GM Transmission Servo Conical Accumulator Spring 1, 2 Part # 8663385 1985-1989 Chevrolet Astro 4 Cyl 2.5L, 6 Cyl 4.3L VAN ASTRO 1987-1991 Chevrolet Blazer 6 Cyl 2.8L, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel 1/2 TON 1985-1991 Chevrolet G10 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1/2 TON CARGO, 1/2 TON PASSENGER 1985-1991 Chevrolet G20 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel 1/2 TON PASSENGER, 3/4 TON CARGO, 3/4 TON PASSENGER 1985-1991 Chevrolet G30 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4L 1 TON CARGO, 1 TON COMMERCIAL/RECREATIONAL VEHICLE, 1 TON PASSENGER 1987 Chevrolet R10 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel 1/2 TON 1987-1988 Chevrolet R20 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4L 3/4 TON, 3/4 TON CREW CAB 1989 Chevrolet R2500 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4L 3/4 TON CREW CAB 1987-1988 Chevrolet R30 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4L 1 TON, 1 TON CREW CAB, CAB CHASSIS 1989-1991 Chevrolet R3500 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4L 1 TON, 1 TON CREW CAB, CAB CHASSIS 1983-1990 Chevrolet S10 4 Cyl 1.9L, 4 Cyl 2.0L, 4 Cyl 2.2L Diesel, 4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 4.3L 2 DOOR, PICKUP 1987-1991 Chevrolet Suburban 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4L 1/2 TON, 3/4 TON 1987 Chevrolet V10 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel 1/2 TON 1987 Chevrolet V20 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4L 3/4 TON 1987-1988 Chevrolet V30 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4L 1 TON, 1 TON CREW CAB, CAB CHASSIS 1989-1991 Chevrolet V3500 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4L 1 TON, 1 TON CREW CAB, CAB CHASSIS 1985-1991 GMC G1500 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1/2 TON CARGO, 1/2 TON PASSENGER 1985-1991 GMC G2500 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel 1/2 TON CARGO, 1/2 TON PASSENGER, 3/4 TON CARGO, 3/4 TON PASSENGER 1985-1991 GMC G3500 6 Cyl 4.3L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4L 1 TON CARGO, 1 TON COMMERCIAL/RECREATIONAL VEHICLE, 1 TON PASSENGER 1987-1991 GMC Jimmy 6 Cyl 2.8L, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel 1/2 TON 1987 GMC R1500 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel 1/2 TON 1987-1989 GMC R2500 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4L 3/4 TON, 3/4 TON CREW CAB 1987-1991 GMC R3500 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4L 1 TON, 1 TON CREW CAB, CAB CHASSIS 1983-1990 GMC S15 4 Cyl 1.9L, 4 Cyl 2.0L, 4 Cyl 2.2L Diesel, 4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 4.3L 2 DOOR, PICKUP 1985-1989 GMC Safari 4 Cyl 2.5L, 6 Cyl 4.3L VAN SAFARI 1987-1991 GMC Suburban 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4L 1/2 TON, 3/4 TON 1987 GMC V1500 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel 1/2 TON 1987 GMC V2500 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel 3/4 TON 1987-1991 GMC V3500 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4L 1 TON, 1 TON CREW CAB, CAB NextGear ?Great Parts at Great Prices" All parts ship from our Warehouse in 24 hours except weekends PLEASE CHECK YOUR ORIGINAL PART NUMBER TO MAKE SURE IT MATCHES OURS BEFORE ORDERING Need help finding the Right PART? Ask us, and Our team of knowledgeable part specialists will help you find it! After you receive your item if you have any question?s please contact us before using the item. We would be happy to help you! All NextGear Parts come with a 1-year warranty About Us Payment Shipping Return Contact Us FAQ About Us NextGear is one of the leading specialty automotive equipment and accessories in the U.S.A. NextGear serves the diverse needs and interests of auto enthusiasts, professional installers and beyond. Payment Quick and Easy payments are always available through's standard checkout system using a Secure PayPal Transaction of your Visa, MasterCard, Discover, American Express or PayPal Funds. Shipping The NextGear automotive professionals spend a great deal of time listing all auto parts details - including a fitment chart, any special details, dimensions, shipping options, and much, much more when available or applicable! 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