Shop By Product Matching "Derale"
Choose your Engine for your 1978 Mercury Monarch
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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 - Mercury Monarch | L | - | 6 Cyl 4.1L | Base | 250 |
- 6 Pass 17" Series 7000 Copper/Aluminum Transmission Cooler Kit, Intermediate
- 16 5/8" x 7 5/8" x 3/4"
- 6 Pass 17" Series 7000 Copper/Aluminum Transmission Cooler Kit, Intermediate
- 7000 Series 6 Pass 11/32" Hose Barb Kit
- Product Attributes:
- Inlet dim: 6-1/4
- GVW: 18500
- Mounting: 13-3/4
- Depth: 3/4
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Features:
- 6 Pass 17" Series 7000 Copper/Aluminum Transmission Cooler Kit, Intermediate
- This Tube & Fin transmission cooler features 1/2" copper tubing expanded into aluminum cooling fins and includes embossed turbulators which serve to agitate fluid for maximum heat transfer. Perfect for medium-sized cars and compact trucks and SUVs' that see light duty towing, they improve shifting performance and extend the life of the transmission by eliminating heat-related transmission failures. 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 - Mercury Monarch | L | - | Automatic | United States | 6 Cyl 4.1L | 250 |
- 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 - Mercury Monarch | L | - | 6 Cyl 4.1L | Base | 250 |
- 8 Pass 17" Series 7000 Copper/Aluminum Transmission Cooler Kit, Full Size
- 16 5/8" x 10 1/4" x 3/4"
- 8 Pass 17" Series 7000 Copper/Aluminum Transmission Cooler Kit, Full Size
- 7000 Series 8 Pass 11/32" Hose Barb Kit
- Product Attributes:
- Inlet dim: 8-3/4
- GVW: 20500
- Mounting: 13-3/4
- Depth: 3/4
-
Features:
- 8 Pass 17" Series 7000 Copper/Aluminum Transmission Cooler Kit, Full Size
- This Tube & Fin transmission cooler features 1/2" copper tubing expanded into aluminum cooling fins and include embossed turbulators which serve to agitate fluid for maximum heat transfer. Perfect for full-size cars and medium size trucks and SUVs' that are used for part time towing, they improve shifting performance and extend the life of the transmission by eliminating heat-related transmission failures. 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 - Mercury Monarch | V | - | Automatic | United States | 8 Cyl 5.0L | 302 |
- 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 - Mercury Monarch | L | - | 6 Cyl 4.1L | Base | 250 |
- 17" Heavy Duty Stainless Steel Standard Rotation Flex Fan, Black Hub
- 17" Heavy Duty Stainless Steel Standard Rotation Flex Fan, Black Hub
- 17" 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:
- 17" Heavy Duty Stainless Steel Standard Rotation Flex Fan, Black Hub
- Rated up to 10,000 rpm, our 17" diameter 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.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1978 - Mercury Monarch | L | - | 6 Cyl 4.1L | Base | 250 |
- Universal Engine Oil Filter Relocation Kit with 1/2" NPT Ports
- 3/4-16"
- 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 - Mercury Monarch | V | - | 8 Cyl 5.0L | 302 |
- 17" High Performance Stainless Steel Standard Rotation Flex Fan, Black Hub
- 17" High Performance Stainless Steel Standard Rotation Flex Fan, Black Hub
- 17" High-performance Flex Fan - Standard Rotation
- Product Attributes:
- Rotation: Standard (clockwise)
- Mounting surface to rear: 7/8
- Mounting surface to front: 1/4
- Flange bolt spacing: 1-3/4-2-1/4
- Depth: 1-1/8
- Blade pitch: 50°
-
Features:
- 17" High Performance Stainless Steel Standard Rotation Flex Fan, Black Hub
- This 17" high performance, standard rotation flex fan features 6 stainless steel blades and a black powder coated hub and is rated for engine speeds up to 8,000 rpm. Great for applications where space is at a premium.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1978 - Mercury Monarch | L | - | 6 Cyl 4.1L | Base | 250 |
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