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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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Description
Fleece Performance Thermostat Housing With Auxiliary Port 98.5-18 Ram 5.9L / 6.7L CumminsUpgrade the thermostat housing in your 5. 9L or 6. 7L Cummins allowing you to customize your coolant routing with the Fleece Performance Thermostat Housing With Auxiliary Port. This is the same thermostat housing that is used in Fleece's Coolant bypass kits and features an auxiliary port with plug. The auxiliary port is threaded to accept a 10AN (7 8" 14) fitting to allow you to customize your coolant routings and includes port plug if unneeded. The
Upgrade the thermostat housing in your 5.9L or 6.7L Cummins allowing you to customize your coolant routing with the Fleece Performance Thermostat Housing With Auxiliary Port. This is the same thermostat housing that is used in Fleece's Coolant bypass kits and features an auxiliary port with plug. The auxiliary port is threaded to accept a -10AN (7/8"-14) fitting to allow you to customize your coolant routings and includes port plug if unneeded. The cast aluminum construction provides strength and the Fleece logo will add a custom look to your engine bay.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
4.6 ★★★★★
Based on 2390 reviews
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Product Reviews
★★★★★ 5
Good
Size: 1/0 Gauge 10FT
Good item
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Works no issues
Size: 8 Gauge 10FT
Works no issues
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Reviewed in the United States on May 7, 2026
★★★★★ 4
Durable insulation and pure copper not that cca bs
Size: 1/0 Gauge 5FT
Good quality. Solid copper, not that cca bs. Stiff and durable insulation. Used for big 3 car audio grounds on high output alternator. Great results. Will mention that it’s not as thick as some other brands but not by much. Terminals still crimped tightly with 1/0 gauge
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Reviewed in the United States on January 11, 2026
★★★★★ 5
Quality wire and true specs
Size: 8 Gauge 10FT
Good quality car audio power wire.
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Reviewed in the United States on March 8, 2026
★★★★★ 5
Great Cable
Size: 4 Gauge 50FT
Labeled correctly and very flexible. Insulation is nice and thick and not easily marred.
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Reviewed in the United States on December 5, 2025