Shop By Product Matching "Derale"
Choose your Submodel for your 1978 GMC C35
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- 1" Aluminum Belt Fan Spacer
- 1" length with 5/8" or 3/4" female pilot
- 1" Aluminum Belt Fan Spacer
- Derale 1" Fan Spacer Kit
- Product Attributes:
- Male pilot diameter: 5/8
- Female pilot diameter: 5/8, 3/4
- Flange bolt spacing: 1-3/4-2-1/4
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Features:
- 1" Aluminum Belt Fan Spacer
- This 1" belt driven fan spacer comes with a clear anodized finish and is designed to fit most domestic 5/8" or 3/4" pilot water pumps.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1978 - GMC C35 | L | - | 6 Cyl 4.1L | Sierra Classic | 250 |
- Transmission Cooling Pan, Reduces Fluid Temps up to 50°F, Increase Capacity
- Transmission Cooling Pan, Reduces Fluid Temps up to 50°F, Increase Capacity
- Vehicles with Turbo 400 transmissions
- Product Attributes:
- Tube depth: 2
- Temp bung size: 1/8 Npt
- Pan depth: 2-7/8
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Features:
- Transmission Cooling Pan, Reduces Fluid Temps up to 50°F, Increase Capacity
- Derale's TH400 Transmission Cooling Pan #14201 uses air passing beneath the vehicle and redirects it to help lower transmission oil temperatures. With brazed, turbulator-equipped airway tubes passing through the lower section of the transmission pan for more efficient cooling, each is individually pressure tested to ensure a leak-free pan. We've included a much stronger magnetic drain plug and rubber/steel reusable washer, in addition to a 1/8" NPT temperature sender bung located in the side of the pan. Finished with a durable black two-stage coating, each pan also includes neoprene gasket and 1/8" NPT temperature sender plug.
Additional Fitment Information:
| Vehicle | Transmission |
|---|---|
| 1978 - GMC C35 | Automatic |
- Transmission Cooling Pan, Reduces Fluid Temps up to 50°F, Increase Capacity
- Transmission Cooling Pan, Reduces Fluid Temps up to 50°F, Increase Capacity
- Vehicles using Turbo 350 transmission
- Product Attributes:
- Tube depth: 2-3/8
- Temp bung size: 1/8 Npt
- Pan depth: 3-1/4
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Features:
- Transmission Cooling Pan, Reduces Fluid Temps up to 50°F, Increase Capacity
- Derale's TH350 Transmission Cooling Pan #14200 uses air passing beneath the vehicle and redirects it to help lower transmission oil temperatures. With brazed, turbulator-equipped airway tubes passing through the lower section of the transmission pan for more efficient cooling, each is individually pressure tested to ensure a leak-free pan. We've included a much stronger magnetic drain plug and rubber/steel reusable washer, in addition to a 1/8" NPT temperature sender bung located in the side of the pan. Finished with a durable black two-stage coating, each pan also includes neoprene gasket and 1/8" NPT temperature sender plug.
Additional Fitment Information:
| Vehicle | Transmission |
|---|---|
| 1978 - GMC C35 | Automatic |
- 1/2" Aluminum Belt Fan Spacer
- 1/2" length with 5/8" female pilot
- 1/2" Aluminum Belt Fan Spacer
- Derale 1/2" Fan Spacer Kit
- Product Attributes:
- Male pilot diameter: 5/8
- Female pilot diameter: 5/8
- Flange bolt spacing: 1-3/4-2-1/4
-
Features:
- 1/2" Aluminum Belt Fan Spacer
- This 1/2" belt driven fan spacer comes with a clear anodized finish and is designed to fit most domestic 5/8" pilot water pumps.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1978 - GMC C35 | L | - | 6 Cyl 4.1L | Base | 250 |
- 25 Row Hyper-Cool Remote Transmission Cooler Kit, -6AN
- 25 Row Hyper-Cool Remote Transmission Cooler Kit, -6AN
- Remote Automatic Transmission Oil Cooler Kit
- Product Attributes:
- BTU's Per Hour: 46000
- CFM: 500
- Mounting: 7-1/2 X 9
- Depth: 5-5/8
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Features:
- 25 Row Hyper-Cool Remote Transmission Cooler Kit, -6AN
- Equipped with our top of the line 25 row stacked plate cooler, this new remote cooler can literally be mounted almost anywhere. Making it a popular addition for performance cars, hot rods, muscle cars and trucks. Our Stacked Plate cooler coupled with a Tornado fan and aluminum shroud, this kit comes with a complete installation kit to install easily on all vehicles with 5/16" or 3/8" transmission cooler lines. Also included is an 180°F in-line thermostat for activating the electric fan. The Hyper-Cool is perfect for extreme duty towing and hauling and can add years to the life of your transmission.
Additional Fitment Information:
| Vehicle | Block | CC | Transmission | Engine | CID |
|---|---|---|---|---|---|
| 1978 - GMC C35 | V | - | Automatic | 8 Cyl 7.4L | 454 |
- 19 Row Series 8000 Plate & Fin Transmission Cooler Kit, 11/32
- 18 Row Cooler
- 19 Row Series 8000 Plate & Fin Transmission Cooler Kit, 11/32
- 8000 Series Plate and Fin Transmission Cooler Kit
- Product Attributes:
- Inlet dim: 10-1/4
- GVW: 20500
- Mounting: 6-3/4 X 8
- Depth: 7/8
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Features:
- 19 Row Series 8000 Plate & Fin Transmission Cooler Kit, 11/32
- A step up from Tube & Fin type coolers, this Plate and Fin cooler features strong furnace-brazed construction, 7/8" wide plates, 3/4" embossed turbulators which maximize heat transfer while also minimizing pressure drop. This unit is perfect for medium to full-size cars and intermediate SUVs that see light to medium duty use and some towing. It greatly extends transmission life by preventing heat-related transmission failures, and improve shifting performance. This kit comes with a complete transmission cooler hardware kit to easily install onto vehicles with 5/16" transmission cooler lines.
Additional Fitment Information:
| Vehicle | Block | CC | Transmission | Region | Engine | CID |
|---|---|---|---|---|---|---|
| 1978 - GMC C35 | V | - | Automatic | United States | 8 Cyl 7.4L | 454 |
- 2" Aluminum Belt Fan Spacer
- 2" length with 5/8" female pilot
- 2" Aluminum Belt Fan Spacer
- Derale 2" Fan Spacer Kit
- Product Attributes:
- Male pilot diameter: 5/8
- Female pilot diameter: 5/8
- Flange bolt spacing: 1-3/4-2-1/4
-
Features:
- 2" Aluminum Belt Fan Spacer
- This 2" belt driven fan spacer comes with a clear anodized finish and is designed to fit most domestic 5/8" pilot water pumps.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1978 - GMC C35 | L | - | 6 Cyl 4.1L | Sierra Grande | 250 |
- Universal Engine Oil Filter Relocation Kit with 1/2" NPT Ports
- 13/16-16"
- Universal Engine Oil Filter Relocation Kit with 1/2" NPT Ports
- Spin-On Adapter Ports Up Filter Mount Kit
- Product Attributes:
- Adapter thread size: 3/4"-16, 13/16"-16, 18x1.5mm, 20x1.5mm, 22x1.5mm
- Remote filter thread size: 3/4-16
- Adapter inlet size: 1/2 Npt
- Remote filter inlet size: 1/2 Npt
- Remote filter landing: 2-1/2, 2-3/4, 3-1/2
- Adapter thickness: 1-3/4, 2
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Features:
- Universal Engine Oil Filter Relocation Kit with 1/2" NPT Ports
- This Universal single filter kit allows oil filter to be relocated to a convenient, easy-access location. Includes a high quality, die cast aluminum 1/2" NPT ports up filter mount and a 1/2" NPT ports spin-on adapter with most everything you need for an easy installation. Filter mount uses Fram PH8A Oil Filter or equivalent. Designed to fit most passenger vehicles on the road today with 2 1/2" to 3 1/2" oil filter landings. Spin-on adapters provide external oil lines to allow the addition of an engine oil cooler and/or remote filter mount, installing at the stock engine oil filter location. This all-new version has a billet style look and has an ultra-bright, polished appearance.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1978 - GMC C35 | V | - | 8 Cyl 7.4L | 454 |
- 19" Heavy Duty Stainless Steel Standard Rotation Flex Fan, Black Hub
- 19" Heavy Duty Stainless Steel Standard Rotation Flex Fan, Black Hub
- 19" Heavy-duty Flex Fan - Standard Rotation
- Product Attributes:
- Rotation: Standard (clockwise)
- Mounting surface to rear: 2
- Mounting surface to front: 1/2
- Flange bolt spacing: 1-3/4-2-1/4
- Depth: 2-3/8
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Features:
- 19" Heavy Duty Stainless Steel Standard Rotation Flex Fan, Black Hub
- Our 19" heavy duty standard rotation fan features thick black steel hubs and 6 stainless reinforced blades with a large surface area that improve performance and fuel economy and is rated up to 10,000 rpm. The large surface area of the blades pull more air at lower speeds than other flex fans.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1978 - GMC C35 | L | - | 6 Cyl 4.1L | Sierra Grande | 250 |
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