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Trans Cooler Thermal Bypass Valve-Compatible With 2014-2020 GM Vehicles - Fits For GMC Sierra Yukon, Chevy Silverado Suburban Tahoe, Cadillac Escalade CT6 - Replaces OEM# 86774933
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 5, 2026 7:27 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Achilioson Direct
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓【Compatibility & Replacement Info】This thermal bypass valve is a direct fit for 2014-2020 GMC Sierra and Yukon, 2014-2019 Chevrolet Silverado, 2015-2020 Suburban and Tahoe, 2016-2018 Cadillac CT6, and 2015 Escalade models. It replaces OEM part numbers 86774933 and 85585333.
✓【Function】The valve controls coolant flow in the engine and cooling system based on temperature, ensuring optimal engine performance while preventing both overcooling and overheating.
✓【Performance & Efficiency Benefits】Helps your engine warm up faster during cold starts and prevents overcooling in extreme weather. Improves transmission efficiency and reduces component wear, extending your vehicle’s lifespan.
✓【Premium Construction】Made with high-quality, corrosion-resistant materials for durability and reliable electric heating performance. It efficiently regulates coolant flow to maintain ideal engine temps, preventing overheating and overcooling for long-lasting performance.
✓【System Protection & Reliability】A crucial component for enhancing transmission cooling system performance. Reduces the risk of premature wear and failure—especially under heavy loads or towing—while maintaining proper fluid viscosity for peak operation.
⚙️ Specifications
Brand
Achilioson
Exterior Finish
Brushed
Inlet Connection Type
National Pipe Tapered
Outlet Connection Type
NPT
Number of Ports
2
Number of Packs
1
Unit Count
1 Count
Manufacturer
Achilioson
Number of Items
1
Brand Name
Achilioson
Model Number
TCTB-01
