Prothane 68-84 Chevy K10/20/30 4WD Transmission Mount Bushings - Red — Fits 1968-1984 Chevrolet/GMC K Series Trucks

SKU: PRO7-1601
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Prothane

Prothane engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Prothane lineup with fast shipping and expert fitment support — order with confidence.

Prothane Red Transmission Mount Bushings for 1968-1984 Chevrolet/GMC K-Series 4WD

Ensure a solid and reliable connection for your transmission with this red transmission mount bushing kit from Prothane, designed for 1968-1984 Chevrolet and GMC K-Series 4WD trucks. Over time, original rubber transmission mount bushings can degrade, leading to increased driveline vibration, harsh shifting, and potential damage to surrounding components. Prothane's high-performance polyurethane offers a superior solution.

Benefits of Prothane Red Transmission Mount Bushings:

  • Reduced Driveline Vibration: Effectively minimizes vibrations transmitted from the engine and transmission to the chassis, providing a smoother driving experience.
  • Improved Shifting: A firmer mount helps maintain proper transmission alignment, potentially leading to crisper and more precise gear changes.
  • Enhanced Durability: Made from Prothane's signature polyurethane compound, these bushings are resistant to heat, chemicals, and abrasion, offering significantly longer life than stock rubber mounts.
  • Direct Fit Replacement: Engineered to precisely fit the transmission crossmember of your 1968-1984 K-Series 4WD truck, ensuring straightforward installation.

This kit is crucial for maintaining the integrity of your 4WD truck's drivetrain. Whether you're performing a routine maintenance job or building a more robust off-road machine, Prothane bushings provide the reliability and performance you need. Replace worn-out mounts to prevent further driveline issues and enjoy a more connected feel to your vehicle.

Vehicle Fitment:

  • 1968-1984 Chevrolet K10, K20, K30 Pickup & Suburban (4WD)
  • 1968-1984 GMC K15, K25, K35 Pickup & Suburban (4WD)

Upgrade your truck's drivetrain with Prothane's durable red transmission mount bushings, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1975-1980 Chevrolet K10 Custom Deluxe
1975-1981 Chevrolet K10 Cheyenne
1975-1984 Chevrolet K10 Scottsdale
1975-1984 Chevrolet K10 Silverado
1981 Chevrolet K10 Deluxe
1981-1984 Chevrolet K10 Custom
1968-1974 Chevrolet K10 Pickup Base
1977 Chevrolet K10 Suburban Silverado
1977-1980 Chevrolet K10 Suburban Custom Deluxe
1977-1980 Chevrolet K10 Suburban Scottsdale
1979-1980 Chevrolet K10 Suburban Silverado
1981 Chevrolet K10 Suburban Deluxe
1981-1984 Chevrolet K10 Suburban Custom
1982 Chevrolet K10 Suburban Scottsdale
1982-1983 Chevrolet K10 Suburban Silverado
1975-1980 Chevrolet K20 Custom Deluxe
1975-1981 Chevrolet K20 Cheyenne
1975-1983 Chevrolet K20 Silverado
1975-1984 Chevrolet K20 Scottsdale
1981 Chevrolet K20 Deluxe
1981-1984 Chevrolet K20 Custom
1968-1974 Chevrolet K20 Pickup Base
1977 Chevrolet K20 Suburban Silverado
1977-1978 Chevrolet K20 Suburban Custom Deluxe
1977-1978 Chevrolet K20 Suburban Scottsdale
1977-1980 Chevrolet K30 Custom Deluxe
1977-1981 Chevrolet K30 Cheyenne
1977-1984 Chevrolet K30 Scottsdale
1977-1984 Chevrolet K30 Silverado
1981 Chevrolet K30 Deluxe
1981-1984 Chevrolet K30 Custom
1968-1974 Chevrolet K30 Pickup Base
1977-1980 Chevrolet K5 Blazer Cheyenne
1977-1980 Chevrolet K5 Blazer Custom Deluxe
1978 Chevrolet K5 Blazer Silverado
1980-1984 Chevrolet K5 Blazer Silverado
1981 Chevrolet K5 Blazer Deluxe
1981-1984 Chevrolet K5 Blazer Custom
1984 Chevrolet K5 Blazer Scottsdale
1977-1982 GMC Jimmy Sierra Grande
1977-1984 GMC Jimmy High Sierra
1977-1984 GMC Jimmy Sierra Classic
1977-1984 GMC Jimmy Base
1977-1978 GMC K15 Suburban Sierra Grande
1977-1978 GMC K15 Suburban Base
1977-1978 GMC K15 Suburban High Sierra
1977-1978 GMC K15 Suburban Sierra Classic
1967-1972 GMC K15/K1500 Pickup Base
1979-1982 GMC K1500 Sierra Grande
1979-1984 GMC K1500 Base
1979-1984 GMC K1500 High Sierra
1979-1984 GMC K1500 Sierra Classic
1979-1980 GMC K1500 Suburban Base
1979-1980 GMC K1500 Suburban High Sierra
1979-1980 GMC K1500 Suburban Sierra Classic
1979-1980 GMC K1500 Suburban Sierra Grande
1982 GMC K1500 Suburban Sierra Grande
1982-1984 GMC K1500 Suburban Base
1982-1984 GMC K1500 Suburban High Sierra
1982-1984 GMC K1500 Suburban Sierra Classic

…and 29 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Prothane

Prothane engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Prothane lineup with fast shipping and expert fitment support — order with confidence.

Prothane Red Transmission Mount Bushings for 1968-1984 Chevrolet/GMC K-Series 4WD

Ensure a solid and reliable connection for your transmission with this red transmission mount bushing kit from Prothane, designed for 1968-1984 Chevrolet and GMC K-Series 4WD trucks. Over time, original rubber transmission mount bushings can degrade, leading to increased driveline vibration, harsh shifting, and potential damage to surrounding components. Prothane's high-performance polyurethane offers a superior solution.

Benefits of Prothane Red Transmission Mount Bushings:

  • Reduced Driveline Vibration: Effectively minimizes vibrations transmitted from the engine and transmission to the chassis, providing a smoother driving experience.
  • Improved Shifting: A firmer mount helps maintain proper transmission alignment, potentially leading to crisper and more precise gear changes.
  • Enhanced Durability: Made from Prothane's signature polyurethane compound, these bushings are resistant to heat, chemicals, and abrasion, offering significantly longer life than stock rubber mounts.
  • Direct Fit Replacement: Engineered to precisely fit the transmission crossmember of your 1968-1984 K-Series 4WD truck, ensuring straightforward installation.

This kit is crucial for maintaining the integrity of your 4WD truck's drivetrain. Whether you're performing a routine maintenance job or building a more robust off-road machine, Prothane bushings provide the reliability and performance you need. Replace worn-out mounts to prevent further driveline issues and enjoy a more connected feel to your vehicle.

Vehicle Fitment:

  • 1968-1984 Chevrolet K10, K20, K30 Pickup & Suburban (4WD)
  • 1968-1984 GMC K15, K25, K35 Pickup & Suburban (4WD)

Upgrade your truck's drivetrain with Prothane's durable red transmission mount bushings, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1975-1980 Chevrolet K10 Custom Deluxe
1975-1981 Chevrolet K10 Cheyenne
1975-1984 Chevrolet K10 Scottsdale
1975-1984 Chevrolet K10 Silverado
1981 Chevrolet K10 Deluxe
1981-1984 Chevrolet K10 Custom
1968-1974 Chevrolet K10 Pickup Base
1977 Chevrolet K10 Suburban Silverado
1977-1980 Chevrolet K10 Suburban Custom Deluxe
1977-1980 Chevrolet K10 Suburban Scottsdale
1979-1980 Chevrolet K10 Suburban Silverado
1981 Chevrolet K10 Suburban Deluxe
1981-1984 Chevrolet K10 Suburban Custom
1982 Chevrolet K10 Suburban Scottsdale
1982-1983 Chevrolet K10 Suburban Silverado
1975-1980 Chevrolet K20 Custom Deluxe
1975-1981 Chevrolet K20 Cheyenne
1975-1983 Chevrolet K20 Silverado
1975-1984 Chevrolet K20 Scottsdale
1981 Chevrolet K20 Deluxe
1981-1984 Chevrolet K20 Custom
1968-1974 Chevrolet K20 Pickup Base
1977 Chevrolet K20 Suburban Silverado
1977-1978 Chevrolet K20 Suburban Custom Deluxe
1977-1978 Chevrolet K20 Suburban Scottsdale
1977-1980 Chevrolet K30 Custom Deluxe
1977-1981 Chevrolet K30 Cheyenne
1977-1984 Chevrolet K30 Scottsdale
1977-1984 Chevrolet K30 Silverado
1981 Chevrolet K30 Deluxe
1981-1984 Chevrolet K30 Custom
1968-1974 Chevrolet K30 Pickup Base
1977-1980 Chevrolet K5 Blazer Cheyenne
1977-1980 Chevrolet K5 Blazer Custom Deluxe
1978 Chevrolet K5 Blazer Silverado
1980-1984 Chevrolet K5 Blazer Silverado
1981 Chevrolet K5 Blazer Deluxe
1981-1984 Chevrolet K5 Blazer Custom
1984 Chevrolet K5 Blazer Scottsdale
1977-1982 GMC Jimmy Sierra Grande
1977-1984 GMC Jimmy High Sierra
1977-1984 GMC Jimmy Sierra Classic
1977-1984 GMC Jimmy Base
1977-1978 GMC K15 Suburban Sierra Grande
1977-1978 GMC K15 Suburban Base
1977-1978 GMC K15 Suburban High Sierra
1977-1978 GMC K15 Suburban Sierra Classic
1967-1972 GMC K15/K1500 Pickup Base
1979-1982 GMC K1500 Sierra Grande
1979-1984 GMC K1500 Base
1979-1984 GMC K1500 High Sierra
1979-1984 GMC K1500 Sierra Classic
1979-1980 GMC K1500 Suburban Base
1979-1980 GMC K1500 Suburban High Sierra
1979-1980 GMC K1500 Suburban Sierra Classic
1979-1980 GMC K1500 Suburban Sierra Grande
1982 GMC K1500 Suburban Sierra Grande
1982-1984 GMC K1500 Suburban Base
1982-1984 GMC K1500 Suburban High Sierra
1982-1984 GMC K1500 Suburban Sierra Classic

…and 29 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About Prothane

Prothane engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Prothane lineup with fast shipping and expert fitment support — order with confidence.

Prothane Red Transmission Mount Bushings for 1968-1984 Chevrolet/GMC K-Series 4WD

Ensure a solid and reliable connection for your transmission with this red transmission mount bushing kit from Prothane, designed for 1968-1984 Chevrolet and GMC K-Series 4WD trucks. Over time, original rubber transmission mount bushings can degrade, leading to increased driveline vibration, harsh shifting, and potential damage to surrounding components. Prothane's high-performance polyurethane offers a superior solution.

Benefits of Prothane Red Transmission Mount Bushings:

  • Reduced Driveline Vibration: Effectively minimizes vibrations transmitted from the engine and transmission to the chassis, providing a smoother driving experience.
  • Improved Shifting: A firmer mount helps maintain proper transmission alignment, potentially leading to crisper and more precise gear changes.
  • Enhanced Durability: Made from Prothane's signature polyurethane compound, these bushings are resistant to heat, chemicals, and abrasion, offering significantly longer life than stock rubber mounts.
  • Direct Fit Replacement: Engineered to precisely fit the transmission crossmember of your 1968-1984 K-Series 4WD truck, ensuring straightforward installation.

This kit is crucial for maintaining the integrity of your 4WD truck's drivetrain. Whether you're performing a routine maintenance job or building a more robust off-road machine, Prothane bushings provide the reliability and performance you need. Replace worn-out mounts to prevent further driveline issues and enjoy a more connected feel to your vehicle.

Vehicle Fitment:

  • 1968-1984 Chevrolet K10, K20, K30 Pickup & Suburban (4WD)
  • 1968-1984 GMC K15, K25, K35 Pickup & Suburban (4WD)

Upgrade your truck's drivetrain with Prothane's durable red transmission mount bushings, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1975-1980 Chevrolet K10 Custom Deluxe
1975-1981 Chevrolet K10 Cheyenne
1975-1984 Chevrolet K10 Scottsdale
1975-1984 Chevrolet K10 Silverado
1981 Chevrolet K10 Deluxe
1981-1984 Chevrolet K10 Custom
1968-1974 Chevrolet K10 Pickup Base
1977 Chevrolet K10 Suburban Silverado
1977-1980 Chevrolet K10 Suburban Custom Deluxe
1977-1980 Chevrolet K10 Suburban Scottsdale
1979-1980 Chevrolet K10 Suburban Silverado
1981 Chevrolet K10 Suburban Deluxe
1981-1984 Chevrolet K10 Suburban Custom
1982 Chevrolet K10 Suburban Scottsdale
1982-1983 Chevrolet K10 Suburban Silverado
1975-1980 Chevrolet K20 Custom Deluxe
1975-1981 Chevrolet K20 Cheyenne
1975-1983 Chevrolet K20 Silverado
1975-1984 Chevrolet K20 Scottsdale
1981 Chevrolet K20 Deluxe
1981-1984 Chevrolet K20 Custom
1968-1974 Chevrolet K20 Pickup Base
1977 Chevrolet K20 Suburban Silverado
1977-1978 Chevrolet K20 Suburban Custom Deluxe
1977-1978 Chevrolet K20 Suburban Scottsdale
1977-1980 Chevrolet K30 Custom Deluxe
1977-1981 Chevrolet K30 Cheyenne
1977-1984 Chevrolet K30 Scottsdale
1977-1984 Chevrolet K30 Silverado
1981 Chevrolet K30 Deluxe
1981-1984 Chevrolet K30 Custom
1968-1974 Chevrolet K30 Pickup Base
1977-1980 Chevrolet K5 Blazer Cheyenne
1977-1980 Chevrolet K5 Blazer Custom Deluxe
1978 Chevrolet K5 Blazer Silverado
1980-1984 Chevrolet K5 Blazer Silverado
1981 Chevrolet K5 Blazer Deluxe
1981-1984 Chevrolet K5 Blazer Custom
1984 Chevrolet K5 Blazer Scottsdale
1977-1982 GMC Jimmy Sierra Grande
1977-1984 GMC Jimmy High Sierra
1977-1984 GMC Jimmy Sierra Classic
1977-1984 GMC Jimmy Base
1977-1978 GMC K15 Suburban Sierra Grande
1977-1978 GMC K15 Suburban Base
1977-1978 GMC K15 Suburban High Sierra
1977-1978 GMC K15 Suburban Sierra Classic
1967-1972 GMC K15/K1500 Pickup Base
1979-1982 GMC K1500 Sierra Grande
1979-1984 GMC K1500 Base
1979-1984 GMC K1500 High Sierra
1979-1984 GMC K1500 Sierra Classic
1979-1980 GMC K1500 Suburban Base
1979-1980 GMC K1500 Suburban High Sierra
1979-1980 GMC K1500 Suburban Sierra Classic
1979-1980 GMC K1500 Suburban Sierra Grande
1982 GMC K1500 Suburban Sierra Grande
1982-1984 GMC K1500 Suburban Base
1982-1984 GMC K1500 Suburban High Sierra
1982-1984 GMC K1500 Suburban Sierra Classic

…and 29 additional fitments. Contact us to confirm yours.

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