1991 GMC Syclone Differentials

Essential 1991 GMC Syclone Differentials

Powertrax – Lock Right Locker (Part No.1930-LR)

Lock Right Locker

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$445.99
The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
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    Dorman – Rear Differential Cover (Part No.697-701)

    Rear Differential Cover

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    $20.99
    This direct replacement differential cover matches the fit and function of the original equipment diff cover for a reliable, leak-free repair. It features a durable design, made to strict specifications, to help ensure reliable service life.

    Product Features:
    • Direct replacement – this differential cover matches the fit and function of the original equipment diff cover on select vehicles
    • Reliable repair – the smart solution for fixing an existing cover that’s rusted, damaged or leaking differential fluid
    • Durable construction – this differential cover is made according to strict engineering standards to help ensure dependability
    • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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    Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

    Redline Synthetic "Shock Proof" Oil - 3 Quarts

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    $99.99
    Redline Synthetic “Shock Proof” Oil. 3 Quarts.

    Product Features:
    • Includes three quarts of Redline Shockproof oil
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    Pro-King – Crush Sleeve (Part No.741A034)

    Crush Sleeve

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    $3.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • All products are designed to meet or exceed OE quality, form, fit and funtion.
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    Pro-King – Differential Pinion Seal (Part No.743B070A)

    Differential Pinion Seal

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    $23.49
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • All products are designed to meet or exceed OE quality, form, fit and funtion.
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    Motive Gear – Differential Mini Spool (Part No.MS7.5-28)

    Differential Mini Spool

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    $101.99


    Product Features:
    • MINI SPOOL GM 7 1/2″ 28 SPLINE
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    Richmond Gear – RngPnnInstlKt (Part No.83-1044-1)

    RngPnnInstlKt

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    $182.99
    RngPnnInstlKt

    Richmond Gear – RngPnnInstlKt (Part No.83-1044-B)

    RngPnnInstlKt

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    $43.99
    RngPnnInstlKt

    Pro-King – Shim Kit (Part No.741A200)

    Shim Kit

    from

    $19.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • All products are designed to meet or exceed OE quality, form, fit and funtion.
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    National – Shaft Repair Sleeve (Part No.99152)

    Shaft Repair Sleeve

    from

    $40.49
    National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

    Product Features:
    • Designed to repair damaged, grooved or worn shafts
    • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
    • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
    • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
    • Easy to install with removable flange and installation tool
    • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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    Motive Gear – Differential Carrier Gear Kit (Part No.GM7.6BI)

    Differential Carrier Gear Kit

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    $159.99


    Product Features:
    • INTERNAL KIT-GM 7.6″ W/28 SPLINE
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    Motive Gear – Differential Pinion Nut (Part No.1260823)

    Differential Pinion Nut

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    $8.49
    Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both o
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    Pro-King – Differential Cross Shaft (Part No.742G930)

    Differential Cross Shaft

    from

    $2.79
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • All products are designed to meet or exceed OE quality, form, fit and funtion.
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    Richmond Gear – Differential Cross Shaft (Part No.CSPGM75)

    Differential Cross Shaft

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    $26.49
    Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!

    Product Features:
    • For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
    • The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
    • Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
    • Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
    • Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
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    National – Bearings (Part No.M88010)

    Bearings

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    $10.49
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • Premium bearing design matches OEM specifications
    • Precision manufactured using premium-grade steel for outstanding durability and performance
    • Crowned raceways and rollers to ensure even load distribution for maximum life
    • Industry leading coverage
    • Professional technicians know they can depend on National
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    Driveworks – Differential Seal (Part No.S-223255)

    Differential Seal

    from

    $7.49
    Product Features:
    • Brand may vary by location
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    Motive Gear – Axle Shaft (Part No.26015260)

    Axle Shaft

    from

    $149.99
    The Motive Gear replacement axle shaft offers an OE-quality axle shaft at a fraction of the OE cost. Manufactured from 1541H material on high-tolerance CNC equipment, this axle shaft is designed to provide a perfect fit every time.

    Product Features:
    • AXLE SHAFT GM7.6″ 28 SPL. 4X4 29″ W/ABS 91-93 S10/S15/BLAZER/JIMMY
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    Driveworks – Ball Bearing (Part No.S-207)

    Ball Bearing

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    $19.49
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
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    Pro-King – Differential Internal Nest Kit (Part No.741A717A)

    Differential Internal Nest Kit

    from

    $155.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • All products are designed to meet or exceed OE quality, form, fit and funtion.
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    MOOG – Differential Carrier Bushing (Part No.K6572)

    Differential Carrier Bushing

    from

    $17.99
    By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

    Product Features:
    • Manufactured from high quality elastomer compounds for durability and ride performance
    • Assembled with proper precompression for ultimate in performance and feel
    • High level bonding adhesive is used for durability
    • Elastomer compounds do not utilize any reground rubber fillers
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    Motive Gear – Ring Gear Bolt (Part No.14066913)

    Ring Gear Bolt

    from

    $2.49


    Product Features:
    • RING GEAR BOLT 8.5″ 7.5″ 7/16 X 20 LEFT HAND
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    Pro-King – Differential Ring Gear Bolt (Part No.741B935)

    Differential Ring Gear Bolt

    from

    $2.49
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • All products are designed to meet or exceed OE quality, form, fit and funtion.
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    Driveworks – Tapered Roller Bearing (Part No.S-HM-89249)

    Tapered Roller Bearing

    from

    $13.49
    Product Features:
    • Brand may vary by location
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    National – Bearings (Part No.HM89249)

    Bearings

    from

    $28.99
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • Premium bearing design matches OEM specifications
    • Precision manufactured using premium-grade steel for outstanding durability and performance
    • Crowned raceways and rollers to ensure even load distribution for maximum life
    • Industry leading coverage
    • Professional technicians know they can depend on National
    See More

    Motive Gear – Differential Ring and Pinion (Part No.GM7.5-456)

    Differential Ring and Pinion

    from

    $216.99


    Product Features:
    • GM 10BL 7.5&7.625 R/P 4.56 MG
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    Motive Gear – Differential Ring and Pinion (Part No.GM7.5-323)

    Differential Ring and Pinion

    from

    $216.99


    Product Features:
    • GM 10BL 7.5&7.625 R/P 3.23 MG 10 3/8 X 18 LH THRED BLTS, PD=1.438
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    Felpro – DIFFERENTIAL GASKET (Part No.RDS 55072)

    DIFFERENTIAL GASKET

    from

    $7.99
    Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

    Product Features:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Unsurpassed quality you can trust
    • Validated for fit, form and function
    • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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    1991 GMC Syclone Differentials

    Maybe you’re in the middle of a full rebuild of that 1991 GMC Syclone. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 95 different Differentials in our inventory ranging from $1.99 to $1,839.99. That means you can find the exact parts or products you need to keep that 1991 GMC Syclone running smoothly.

    Differentials are only as good as their brand. We stock 13 different brands to make sure you have plenty of trusted parts to choose from for your 1991 GMC Syclone. Valvoline, Felpro, and Dorman are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

    We know you’ll find the perfect Differentials for your 1991 GMC Syclone, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 561 reviews in this category, some of the top rated parts include Differential Carrier Gear Kit with 4.8 stars and Bearings with 4.8 stars.

    So if you’re in the market for aftermarket Differentials to keep your 1991 GMC Syclone rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

    Differentials Brands To Make Your 1991 GMC Syclone Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1991 GMC Syclone demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your Syclone the best it can be. Be sure to browse some of our top Differentials brands and parts.

    Popular Felpro Differentials

    We carry Felpro parts in our stock across Rear Differential Cover Gaskets categories, plus more. For a 1991 GMC Syclone, our most popular Felpro Differentials include:
    DIFFERENTIAL GASKET
    from $7.99
    (45)
    DIFFERENTIAL GASKET
    Rear Differential Cover Gaskets

    FAQs for 1991 GMC Syclone Differentials

    What are the most purchased Differentials for the 1991 GMC Syclone?

    Out of 95 Differentials for the 1991 GMC Syclone, the most popular in our inventory are:
    Differential Shaft Lock Bolt
    from $5.99
    (11)
    Differential Shaft Lock Bolt
    Differential Pinion Shaft Lock Bolts
    Rear Differential Cover
    from $20.99
    (38)
    Rear Differential Cover
    Differential Covers
    Ring Gear Bolt
    from $2.49
    This product is not rated
    Ring Gear Bolt
    Differential Ring Gear Bolts

    What are the top-rated 1991 GMC Syclone Differentials?

    Top-rated Differentials for your 1991 GMC Syclone based on customer reviews/ratings are:
    Differential Carrier Gear Kit
    from $159.99
    (6)
    Differential Carrier Gear Kit
    “perfick fit for 01 blazer !!!!”
    Bearings
    from $10.49
    (4)
    Bearings
    “Goes with M88010 bearing cup. Application was the pinion bearing race for a Ford 9 Inch on a 1957 Ford F-100.”
    Bearings
    from $18.79
    (3)
    Bearings
    “as advertised”