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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
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Description
Wehrli Custom Fab WCF100188-IP Thermostat Housing - Illusion PurpleRevamp the appearance of your GM 6. 6L Duramax L5Ps engine bay with the Wehrli Custom Fab WCF100188 IP Thermostat Housing Illusion Purple from GAP. This WCFab Thermostat Housing is a direct replacement upgrade for the OEM part. Comes powder coated in a Illusion Purple to complement other upgrades such as WCFab Upper Coolant Pipes, Intake Kits and Intercooler Piping. Features: Illusion Purple Powder Coat Finish Cleans Up Engine Bay Appearance Direct
Revamp the appearance of your GM 6.6L Duramax L5P�s engine bay with the Wehrli Custom Fab WCF100188-IP Thermostat Housing - Illusion Purple from GAP. This WCFab Thermostat Housing is a direct replacement upgrade for the OEM part. Comes powder coated in a Illusion Purple to complement other upgrades such as WCFab Upper Coolant Pipes, Intake Kits and Intercooler Piping.
Features:
- Illusion Purple Powder Coat Finish
- Cleans Up Engine Bay Appearance
- Direct Replacement For OEM Thermostat Housing
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Delivery was perfect timing
Style: Starter Bundle
Very happy everything came before the delivery date estimate day!! and everything looks great so far🙌
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Good.
Style: Starter Bundle
I like it for smaller projects. Definitely can only use most poly or for cups and other projects.
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Reviewed in the United States on April 20, 2026
★★★★★ 5
Great product
Color: Black
long-lasting and gets the job done.
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Reviewed in the United States on November 19, 2025
★★★★★ 5
Works for us.
Color: Black
F170 - no issue and not expired (which was my only concern).
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Quality ink
Color: Complete Set
😊
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Reviewed in the United States on October 14, 2025