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Keep Your 6.7L Power Stroke Cool and Your Battery Secure
The Wehrli Custom Fabrication WCF100203 Coolant Tank Kit with Battery Box replaces the failure-prone OEM plastic battery tray on 2017-2025 Ford Super Duty trucks equipped with the 6.7L Power Stroke Diesel engine. This fabricated aluminum assembly mounts in the factory location, retains all necessary connections for factory hoses, and incorporates a complete aluminum battery box enclosure that preserves the critical structural support the OEM tray provided for intercooler mounting points. The WCF100203 kit is compatible with both OEM and aftermarket intercoolers, giving you a durable upgrade that also dresses up the engine bay.
Key Features
- The WCF100203 kit includes a fabricated aluminum coolant reservoir that mounts in the OEM location
- Complete aluminum battery box enclosure replacing the failure-prone factory plastic tray
- Billet aluminum sight glass for quick visual coolant level checks
- Black anodized coolant cap included
- Retains structural support for intercooler mounting points
- Compatible with OEM and aftermarket intercoolers
- Durable custom powder coat finish, available in Gloss Black
Fitment
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 2017-2025 | Ford | Super Duty | 6.7L Power Stroke Diesel, standard output |
| 2022-2025 | Ford | Super Duty | 6.7L Power Stroke Diesel, high output |
Specifications
| Detail | Value |
|---|---|
| MPN | WCF100203 |
| UPC | Not confirmed by manufacturer, see unresolved |
| Material | Fabricated aluminum with custom powder coat finish |
| Color | Gloss Black |
| Weight | 20.0 lbs |
| Dimensions | 20 in. W x 18 in. H x 20 in. L |
| Cap Finish | Black anodized coolant cap |
What's Included
- WCF100203 fabricated aluminum coolant reservoir
- Aluminum battery box enclosure
- Billet aluminum sight glass
- Black anodized coolant cap
- Hardware and hoses for factory connections
About Wehrli Custom Fabrication
Wehrli Custom Fabrication designs and builds diesel truck performance parts in-house, focusing on durable aluminum fabrication for Duramax, Cummins, and Power Stroke platforms. The brand is known for engineering components that bolt into factory mounting locations while improving on the reliability of original equipment parts, such as replacing the WCF100203 coolant tank and battery box kit's failure-prone plastic predecessor with a fabricated aluminum design.
FAQ
What is the WCF100203?It is a Wehrli Custom Fabrication coolant tank and battery box kit for 2017-2025 Ford Super Duty trucks with the 6.7L Power Stroke Diesel engine, combining a fabricated aluminum coolant reservoir with a complete aluminum battery box enclosure.
Does this kit fit both standard and high output 6.7L Power Stroke engines?Yes, it fits the standard output engine across the full 2017-2025 range and the high output engine on 2022-2025 model years.
Will this work with my aftermarket intercooler?Yes, the kit is designed to work with both OEM and aftermarket intercoolers since it retains the structural support the factory battery tray provided for intercooler mounting points.
Does the kit include the coolant cap and sight glass?Yes, a billet aluminum sight glass and a black anodized coolant cap are both included with the kit.
What color finish options are available?The kit is available in WCFab Red, WCFab Grey, Gloss Black, and Gloss White, with Gloss Black and other in-stock colors typically shipping faster than special order colors.
Do I need to modify my truck to install this kit?No, the kit uses the OEM mounting points and factory hose connections, so no cutting or permanent modification is required.
What tools do I need for installation?Basic hand tools are sufficient to complete the installation using the factory mounting points and included hardware.
Does this kit replace my factory battery tray?Yes, the aluminum battery box enclosure in this kit replaces the OEM plastic battery tray, which is prone to failure over time.
Install Instructions
- Disconnect the negative battery terminal and remove the factory battery tray assembly.
- Drain the factory coolant reservoir following the vehicle service manual procedure.
- Remove the factory plastic coolant tank and disconnect the factory hoses.
- Position the new aluminum coolant tank in the OEM mounting location.
- Reconnect the factory hoses to the new coolant tank fittings.
- Install the aluminum battery box enclosure in the OEM battery tray location.
- Install the billet aluminum sight glass and black anodized coolant cap.
- Reinstall the battery in the new aluminum battery box and reconnect the terminals.
- Refill the coolant system to the proper level and check the sight glass.
- Inspect all connections for leaks after the engine reaches operating temperature.
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