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Direct Fit Horn - High Tone
Replacement
Part Number: REPC502504
Vehicle Info Required to Guarantee Fit
$16.44
Vehicle Fitment
  • 1975 - 1977 GMC C25 High Sierra 6 Cyl 4.8L
  • 1975 - 1978 GMC C25 Base 6 Cyl 4.8L
  • 1975 - 1978 GMC C25 Base 8 Cyl 5.7L
  • 1975 - 1978 GMC C25 Base 8 Cyl 7.4L
  • 1975 - 1978 GMC C25 High Sierra 8 Cyl 5.7L
  • 1975 - 1978 GMC C25 High Sierra 8 Cyl 7.4L
  • 1975 - 1978 GMC C25 Sierra Classic 6 Cyl 4.8L
  • 1975 - 1978 GMC C25 Sierra Classic 8 Cyl 5.7L
  • 1975 - 1978 GMC C25 Sierra Classic 8 Cyl 7.4L
  • 1975 - 1978 GMC C25 Sierra Grande 6 Cyl 4.8L
  • 1975 - 1978 GMC C25 Sierra Grande 8 Cyl 5.7L
  • 1975 - 1978 GMC C25 Sierra Grande 8 Cyl 7.4L
  • 1975 - 1977 GMC C25 High Sierra 6 Cyl 4.1L
  • 1975 - 1978 GMC C25 Base 6 Cyl 4.1L
  • 1975 - 1978 GMC C25 Sierra Classic 6 Cyl 4.1L
  • 1975 - 1978 GMC C25 Sierra Grande 6 Cyl 4.1L
  • 1976 - 1978 GMC C25 Base 8 Cyl 6.6L
  • 1976 - 1978 GMC C25 High Sierra 8 Cyl 6.6L
  • 1976 - 1978 GMC C25 Sierra Classic 8 Cyl 6.6L
  • 1976 - 1978 GMC C25 Sierra Grande 8 Cyl 6.6L
  • 1977 GMC C25 High Sierra 8 Cyl 5.0L
  • 1977 - 1978 GMC C25 Base 8 Cyl 5.0L
  • 1977 - 1978 GMC C25 Sierra Classic 8 Cyl 5.0L
  • 1977 - 1978 GMC C25 Sierra Grande 8 Cyl 5.0L
Product Details
Notes : High Tone, With Mounting Bracket, 2 Male Blade TerminalQuantity Sold : Sold individuallyWarranty : 1-year unlimited-mileage warranty
Direct Fit Horn - Low Tone
Replacement
Part Number: REPC502505
Vehicle Info Required to Guarantee Fit
$13.50
Vehicle Fitment
  • 1975 - 1977 GMC C25 High Sierra 6 Cyl 4.8L
  • 1975 - 1978 GMC C25 Base 6 Cyl 4.8L
  • 1975 - 1978 GMC C25 Base 8 Cyl 5.7L
  • 1975 - 1978 GMC C25 Base 8 Cyl 7.4L
  • 1975 - 1978 GMC C25 High Sierra 8 Cyl 5.7L
  • 1975 - 1978 GMC C25 High Sierra 8 Cyl 7.4L
  • 1975 - 1978 GMC C25 Sierra Classic 6 Cyl 4.8L
  • 1975 - 1978 GMC C25 Sierra Classic 8 Cyl 5.7L
  • 1975 - 1978 GMC C25 Sierra Classic 8 Cyl 7.4L
  • 1975 - 1978 GMC C25 Sierra Grande 6 Cyl 4.8L
  • 1975 - 1978 GMC C25 Sierra Grande 8 Cyl 5.7L
  • 1975 - 1978 GMC C25 Sierra Grande 8 Cyl 7.4L
  • 1975 - 1977 GMC C25 High Sierra 6 Cyl 4.1L
  • 1975 - 1978 GMC C25 Base 6 Cyl 4.1L
  • 1975 - 1978 GMC C25 Sierra Classic 6 Cyl 4.1L
  • 1975 - 1978 GMC C25 Sierra Grande 6 Cyl 4.1L
  • 1976 - 1978 GMC C25 Base 8 Cyl 6.6L
  • 1976 - 1978 GMC C25 High Sierra 8 Cyl 6.6L
  • 1976 - 1978 GMC C25 Sierra Classic 8 Cyl 6.6L
  • 1976 - 1978 GMC C25 Sierra Grande 8 Cyl 6.6L
  • 1977 GMC C25 High Sierra 8 Cyl 5.0L
  • 1977 - 1978 GMC C25 Base 8 Cyl 5.0L
  • 1977 - 1978 GMC C25 Sierra Classic 8 Cyl 5.0L
  • 1977 - 1978 GMC C25 Sierra Grande 8 Cyl 5.0L
Product Details
Notes : Low ToneQuantity Sold : Sold individuallyWarranty : 1-year unlimited-mileage warranty
Direct Fit Horn - Tone
Replacement
Part Number: SET-REPC502504-2
Vehicle Info Required to Guarantee Fit
$28.44
Vehicle Fitment
  • 1975 - 1977 GMC C25 High Sierra 6 Cyl 4.8L
  • 1975 - 1978 GMC C25 Base 6 Cyl 4.8L
  • 1975 - 1978 GMC C25 Base 8 Cyl 5.7L
  • 1975 - 1978 GMC C25 Base 8 Cyl 7.4L
  • 1975 - 1978 GMC C25 High Sierra 8 Cyl 5.7L
  • 1975 - 1978 GMC C25 High Sierra 8 Cyl 7.4L
  • 1975 - 1978 GMC C25 Sierra Classic 6 Cyl 4.8L
  • 1975 - 1978 GMC C25 Sierra Classic 8 Cyl 5.7L
  • 1975 - 1978 GMC C25 Sierra Classic 8 Cyl 7.4L
  • 1975 - 1978 GMC C25 Sierra Grande 6 Cyl 4.8L
  • 1975 - 1978 GMC C25 Sierra Grande 8 Cyl 5.7L
  • 1975 - 1978 GMC C25 Sierra Grande 8 Cyl 7.4L
  • 1975 - 1977 GMC C25 High Sierra 6 Cyl 4.1L
  • 1975 - 1978 GMC C25 Base 6 Cyl 4.1L
  • 1975 - 1978 GMC C25 Sierra Classic 6 Cyl 4.1L
  • 1975 - 1978 GMC C25 Sierra Grande 6 Cyl 4.1L
  • 1976 - 1978 GMC C25 Base 8 Cyl 6.6L
  • 1976 - 1978 GMC C25 High Sierra 8 Cyl 6.6L
  • 1976 - 1978 GMC C25 Sierra Classic 8 Cyl 6.6L
  • 1976 - 1978 GMC C25 Sierra Grande 8 Cyl 6.6L
  • 1977 GMC C25 High Sierra 8 Cyl 5.0L
  • 1977 - 1978 GMC C25 Base 8 Cyl 5.0L
  • 1977 - 1978 GMC C25 Sierra Classic 8 Cyl 5.0L
  • 1977 - 1978 GMC C25 Sierra Grande 8 Cyl 5.0L
Product Details
Components : (2) HornsQuantity Sold : Set of 2Warranty : 1-year unlimited-mileage warranty
Replacement REPO282101 Tie Rod Adjusting Sleeve - Direct Fit, Sold individually
Vehicle Info Required to Guarantee Fit
$13.07
Vehicle Fitment
  • 1975 - 1977 GMC C25 High Sierra 6 Cyl 4.8L
  • 1975 - 1978 GMC C25 Base 6 Cyl 4.8L
  • 1975 - 1978 GMC C25 Base 8 Cyl 5.7L
  • 1975 - 1978 GMC C25 Base 8 Cyl 7.4L
  • 1975 - 1978 GMC C25 High Sierra 8 Cyl 5.7L
  • 1975 - 1978 GMC C25 High Sierra 8 Cyl 7.4L
  • 1975 - 1978 GMC C25 Sierra Classic 6 Cyl 4.8L
  • 1975 - 1978 GMC C25 Sierra Classic 8 Cyl 5.7L
  • 1975 - 1978 GMC C25 Sierra Classic 8 Cyl 7.4L
  • 1975 - 1978 GMC C25 Sierra Grande 6 Cyl 4.8L
  • 1975 - 1978 GMC C25 Sierra Grande 8 Cyl 5.7L
  • 1975 - 1978 GMC C25 Sierra Grande 8 Cyl 7.4L
  • 1975 - 1977 GMC C25 High Sierra 6 Cyl 4.1L
  • 1975 - 1978 GMC C25 Base 6 Cyl 4.1L
  • 1975 - 1978 GMC C25 Sierra Classic 6 Cyl 4.1L
  • 1975 - 1978 GMC C25 Sierra Grande 6 Cyl 4.1L
  • 1976 - 1978 GMC C25 Base 8 Cyl 6.6L
  • 1976 - 1978 GMC C25 High Sierra 8 Cyl 6.6L
  • 1976 - 1978 GMC C25 Sierra Classic 8 Cyl 6.6L
  • 1976 - 1978 GMC C25 Sierra Grande 8 Cyl 6.6L
  • 1977 GMC C25 High Sierra 8 Cyl 5.0L
  • 1977 - 1978 GMC C25 Base 8 Cyl 5.0L
  • 1977 - 1978 GMC C25 Sierra Classic 8 Cyl 5.0L
  • 1977 - 1978 GMC C25 Sierra Grande 8 Cyl 5.0L
Product Details
Notes : 11/16 in. X 18 ThreadsWarranty : 1-year unlimited-mileage warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including lead and mineral oils, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Replacement SET-REPO282101-2 Tie Rod Adjusting Sleeve - Direct Fit, Set of 2
Vehicle Info Required to Guarantee Fit
$24.83
Vehicle Fitment
  • 1975 - 1977 GMC C25 High Sierra 6 Cyl 4.8L
  • 1975 - 1978 GMC C25 Base 6 Cyl 4.8L
  • 1975 - 1978 GMC C25 Base 8 Cyl 5.7L
  • 1975 - 1978 GMC C25 Base 8 Cyl 7.4L
  • 1975 - 1978 GMC C25 High Sierra 8 Cyl 5.7L
  • 1975 - 1978 GMC C25 High Sierra 8 Cyl 7.4L
  • 1975 - 1978 GMC C25 Sierra Classic 6 Cyl 4.8L
  • 1975 - 1978 GMC C25 Sierra Classic 8 Cyl 5.7L
  • 1975 - 1978 GMC C25 Sierra Classic 8 Cyl 7.4L
  • 1975 - 1978 GMC C25 Sierra Grande 6 Cyl 4.8L
  • 1975 - 1978 GMC C25 Sierra Grande 8 Cyl 5.7L
  • 1975 - 1978 GMC C25 Sierra Grande 8 Cyl 7.4L
  • 1975 - 1977 GMC C25 High Sierra 6 Cyl 4.1L
  • 1975 - 1978 GMC C25 Base 6 Cyl 4.1L
  • 1975 - 1978 GMC C25 Sierra Classic 6 Cyl 4.1L
  • 1975 - 1978 GMC C25 Sierra Grande 6 Cyl 4.1L
  • 1976 - 1978 GMC C25 Base 8 Cyl 6.6L
  • 1976 - 1978 GMC C25 High Sierra 8 Cyl 6.6L
  • 1976 - 1978 GMC C25 Sierra Classic 8 Cyl 6.6L
  • 1976 - 1978 GMC C25 Sierra Grande 8 Cyl 6.6L
  • 1977 GMC C25 High Sierra 8 Cyl 5.0L
  • 1977 - 1978 GMC C25 Base 8 Cyl 5.0L
  • 1977 - 1978 GMC C25 Sierra Classic 8 Cyl 5.0L
  • 1977 - 1978 GMC C25 Sierra Grande 8 Cyl 5.0L
Product Details
Location : Front, Driver And Passenger SideComponents : (2) Tie Rod Adjusting SleevesWarranty : 1-year unlimited-mileage warrantyQuantity Sold : Set of 2Prop 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including lead and mineral oils, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Black Floor Mats, Front Row
Husky Liners®
Part Number: H2151041
Vehicle Info Required to Guarantee Fit
$70.95
Vehicle Fitment
  • 1975 - 1978 GMC C25 Base All Engines
  • 1975 - 1978 GMC C25 High Sierra All Engines
  • 1975 - 1978 GMC C25 Sierra Classic All Engines
  • 1975 - 1978 GMC C25 Sierra Grande All Engines
Product Details
Location : Front RowType : Flat Floor MatRow : First RowColor/Finish : BlackQuantity Sold : 2 PiecesWarranty : Lifetime Husky Liners limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Black Floor Mats
Husky Liners®
Part Number: H2152011
Vehicle Info Required to Guarantee Fit
$70.95
Vehicle Fitment
  • 1975 - 1978 GMC C25 Base All Engines
  • 1975 - 1978 GMC C25 High Sierra All Engines
  • 1975 - 1978 GMC C25 Sierra Classic All Engines
  • 1975 - 1978 GMC C25 Sierra Grande All Engines
Product Details
Location : Second RowType : Flat Floor MatRow : Second or Third RowColor/Finish : BlackQuantity Sold : 2 PiecesWarranty : Lifetime Husky Liners limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Tan Floor Mats
Husky Liners®
Part Number: H2152013
Vehicle Info Required to Guarantee Fit
$70.95
Vehicle Fitment
  • 1975 - 1977 GMC C25 Base All Engines
  • 1975 - 1978 GMC C25 High Sierra All Engines
  • 1975 - 1978 GMC C25 Sierra Classic All Engines
  • 1975 - 1978 GMC C25 Sierra Grande All Engines
Product Details
Location : Second RowNotes : Covers humpType : Flat Floor MatRow : Second or Third RowColor/Finish : TanQuantity Sold : 2 PiecesWarranty : Lifetime Husky Liners limited warranty
Gray Floor Mats, Front Row
Husky Liners®
Part Number: H2151042
Vehicle Info Required to Guarantee Fit
$70.95
Vehicle Fitment
  • 1975 - 1977 GMC C25 Base All Engines
  • 1975 - 1978 GMC C25 High Sierra All Engines
  • 1975 - 1978 GMC C25 Sierra Classic All Engines
  • 1975 - 1978 GMC C25 Sierra Grande All Engines
Product Details
Location : Front RowType : Flat Floor MatRow : First RowColor/Finish : GrayQuantity Sold : 2 PiecesWarranty : Lifetime Husky Liners limited warranty
Tan Floor Mats, Front Row
Husky Liners®
Part Number: H2151043
Vehicle Info Required to Guarantee Fit
$70.95
Vehicle Fitment
  • 1975 - 1977 GMC C25 Base All Engines
  • 1975 - 1978 GMC C25 High Sierra All Engines
  • 1975 - 1978 GMC C25 Sierra Classic All Engines
  • 1975 - 1978 GMC C25 Sierra Grande All Engines
Product Details
Location : Front RowType : Flat Floor MatRow : First RowColor/Finish : TanQuantity Sold : 2 PiecesWarranty : Lifetime Husky Liners limited warranty
Gray Floor Mats
Husky Liners®
Part Number: H2152012
Vehicle Info Required to Guarantee Fit
$70.95
Vehicle Fitment
  • 1975 - 1977 GMC C25 Base All Engines
  • 1975 - 1978 GMC C25 High Sierra All Engines
  • 1975 - 1978 GMC C25 Sierra Classic All Engines
  • 1975 - 1978 GMC C25 Sierra Grande All Engines
Product Details
Location : Second RowNotes : Covers humpType : Flat Floor MatRow : Second or Third RowColor/Finish : GrayQuantity Sold : 2 PiecesWarranty : Lifetime Husky Liners limited warranty
Black Floor Mats, Front Row
Husky Liners®
Part Number: H2131111
Vehicle Info Required to Guarantee Fit
$96.95
Vehicle Fitment
  • 1975 - 1977 GMC C25 Base All Engines
  • 1975 - 1978 GMC C25 High Sierra All Engines
  • 1975 - 1978 GMC C25 Sierra Classic All Engines
  • 1975 - 1978 GMC C25 Sierra Grande All Engines
Product Details
Location : Front RowType : Molded Floor LinerRow : First RowColor/Finish : BlackQuantity Sold : 2 PiecesWarranty : Lifetime Husky Liners limited warranty
Replacement REPC545601 Steering Coupling - Direct Fit
Vehicle Info Required to Guarantee Fit
$22.01
Vehicle Fitment
  • 1975 GMC C25 Base 6 Cyl 4.1L Manual Steering
  • 1975 GMC C25 High Sierra 6 Cyl 4.1L Manual Steering
  • 1975 GMC C25 Sierra Classic 6 Cyl 4.1L Manual Steering
  • 1975 GMC C25 Sierra Grande 6 Cyl 4.1L Manual Steering
  • 1975 - 1976 GMC C25 Base 6 Cyl 4.8L
  • 1975 - 1976 GMC C25 Base 8 Cyl 5.7L
  • 1975 - 1976 GMC C25 Base 8 Cyl 7.4L
  • 1975 - 1976 GMC C25 High Sierra 6 Cyl 4.8L
  • 1975 - 1976 GMC C25 High Sierra 8 Cyl 5.7L
  • 1975 - 1976 GMC C25 High Sierra 8 Cyl 7.4L
  • 1975 - 1976 GMC C25 Sierra Classic 6 Cyl 4.8L
  • 1975 - 1976 GMC C25 Sierra Classic 8 Cyl 5.7L
  • 1975 - 1976 GMC C25 Sierra Classic 8 Cyl 7.4L
  • 1975 - 1976 GMC C25 Sierra Grande 6 Cyl 4.8L
  • 1975 - 1976 GMC C25 Sierra Grande 8 Cyl 5.7L
  • 1975 - 1976 GMC C25 Sierra Grande 8 Cyl 7.4L
  • 1976 GMC C25 Base 8 Cyl 6.6L Manual Steering
  • 1976 GMC C25 High Sierra 8 Cyl 6.6L Manual Steering
  • 1976 GMC C25 Sierra Classic 8 Cyl 6.6L Manual Steering
  • 1976 GMC C25 Sierra Grande 8 Cyl 6.6L Manual Steering
Product Details
Warranty : 1-year unlimited-mileage warrantyQuantity Sold : Sold individually
Driver or Passenger Side Halogen Headlight, With bulb(s) - Sealed Beam Type, 7 x 6 in.
Vehicle Info Required to Guarantee Fit
$25.42
Vehicle Fitment
  • 1978 GMC C25 All Submodels All Engines Sealed Beam Type
Product Details
Location : Driver Or Passenger SideNotes : 7 x 6 in. Sealed Beam Type HeadlightsLight Source : HalogenAssembly : With bulb(s)Color/Finish : Clear LensType : Sealed beamRecommended Use : OE ReplacementQuantity Sold : Sold individuallyWarranty : 1-year unlimited-mileage warranty
Driver and Passenger Side Halogen Headlight, With bulb(s) - Sealed Beam Type, 7 x 6 in.
Vehicle Info Required to Guarantee Fit
$48.31
Vehicle Fitment
  • 1978 GMC C25 All Submodels All Engines Sealed Beam Type
Product Details
Location : Driver And Passenger SideNotes : 7 x 6 in. Sealed Beam Type HeadlightsComponents : (2) HeadlightsLight Source : HalogenAssembly : With bulb(s)Color/Finish : Clear LensType : Sealed beamRecommended Use : OE ReplacementQuantity Sold : Set of 2Warranty : 1-year unlimited-mileage warranty
Page 1 of 626 | Showing 1 - 15 of 9385 results

GMC C25 Customer Reviews

Direct Fit Horn - Tone
May 19, 2020
Good sound
Works great - very loud
Donald Leslie
VERIFIED PURCHASER
Purchased on Apr 30, 2020
Direct Fit Horn - Tone
May 11, 2020
Horns
The horns fit nicely, although they were not metal. But, they do the job.
Dale Dale
VERIFIED PURCHASER
Purchased on Apr 26, 2020
Direct Fit Horn - High Tone
May 07, 2020
Great product
I love them I'll be installing them this weekend
Marlin Bontrager
VERIFIED PURCHASER
Purchased on Apr 22, 2020

GMC C25 Guides

GMC C25: Truck Maintenance Tips for the Winter Season

GMC is an automaker known for creating vehicles with great load capacity and high-end performance. So you can expect the same things with your GMC C25 truck. You've got a vehicle that doesn't simply get you from point A to point B but also help you move things as efficiently as possible. But, when it comes to making your vehicle efficient, you don't just depend on the stock equipment that your truck came with. You also need to do your part and make sure your vehicle is properly serviced and primed for whatever season is coming; case in point, preparing your truck for the winter season. Below are some tips on how you can get your truck winter-ready:

  • Have a better understanding of the operating temperatures of your vehicle.

When you understand how your vehicle works in varying temperatures, you can maximize its performance without having to worry about damaging any part. During the cold season, cold soaks can happen. These occur when the engine fluids and the steel of the engine block drop to ambient temperatures, as a result of the vehicle sitting in the cold for too long. In these instances, you can't use an engine block heater and hope that it will be able to warm the coolant. Block heaters only maintain temperature, so you should plug them before you let your car sit in the garage. When driving during extreme cold weathers, keep your GMC C25 running at highway speed. This way, your vehicle can reach the temperature threshold required for the regeneration and Diesel Engine Fluid cycling processes.

  • Check the coolant.

Aside from regularly topping up or maintaining the coolant level in your truck, it is recommended to change or flush the coolant every 24 months. While the antifreeze properties in a coolant may not dissipate with time, additives that provide corrosion protection, anti-gumming, and offer ancillary protection do break down with time. This will compromise the overall performance of the vehicle's cooling system. You might want to check the kind of coolant you're buying as replacement to make sure you have proper protection for the winter.

  • Check the tires.

You should know that changes in temperature affect the tire pressures; so make sure to check the tires at least once a week to avoid driving with under-inflated tires; aside from being dangerous, your tires are at risk of uneven wear. You must also check the tire tread depth. Worn tires are dangerous in winter as they lose grip on slick and slippery road surfaces. If you live in an area with snow and ice problems during the winter, use special winter tires instead.

  • Always check the battery.

Make sure to test your battery and clean the connections in preparation for the winter. It might be true that battery degradation often happens during the hot weather. However, it is during the cold weather that your battery is under high-starting load and usually fails. Routine care is necessary for keeping your battery in good condition, but it is advisable to let professionals diagnose battery problems since they have the right tools to do so.

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