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Achilioson

STL010 Sure Cool System Upgrade Kit with Bypass Gasket, Compatible with 2014 - up 6L80/90E & 2016 - up 8L80/90E Transmissions (6L80/6L90/8L90 Fit) | Replaces #15251488

✅ In stock
F
Grade
💤 Not a Deal
0/100
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$27.99
Listed $27.99
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Oct 25, 2026 5:50 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

✓【Broad Compatibility with STL010 Match】 Compatible with GM 6L80/6L90 (2014 - up), 8L80/8L90/10L90 (2016 - up) transmissions (fits Cadillac/Chevrolet/GMC models). Replaces OE# 15251488 and matches STL010 specifications for seamless integration.
✓【STL010 - Integrated Safety Bypass】 Features the STL010 - designed safety bypass valve, providing an alternate coolant path. Prevents transmission overheating/damage during blockages, protecting core components as engineered.
✓【Efficient Cooling with STL010 Design】 Engineered with STL010 - optimized structure to accelerate coolant filling, cutting post - maintenance prep time. Optimizes ATF temperature, extending fluid lifespan by reducing oxidation per STL010 standards.
✓【Performance Boost via STL010 Upgrade】 Reduces transmission temp by up to 20% using STL010 - validated cooling. High - quality bypass gasket (per STL010 compatibility) enhances sealing, prevents leaks, and boosts reliability.
✓【Direct STL010 - Aligned Replacement】 Direct OE - equivalent replacement for specific vehicles, built to STL010 - referenced durability. Factory - tested to match STL010 performance criteria. Verify compatibility via year/make/model before purchase.

⚙️ Specifications

‎Achilioson
‎Achilioson
‎Blue Spring Kit
‎3.98 ounces
‎3.51 x 3.01 x 1.99 inches
‎BSKWB045
‎Brushed
‎BSKWB045
Manufacturer
Achilioson
Brand
Achilioson
Model
Blue Spring Kit
Item Weight
3.98 ounces
Package Dimensions
3.51 x 3.01 x 1.99 inches
Item model number
BSKWB045
Exterior
Brushed
F
$27.99
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