--- product_id: 238844056 title: "BT-600 Replacement Combustion Leak Test Fluid 16 Oz" brand: "block tester" price: "€ 0.24" currency: EUR in_stock: false reviews_count: 13 url: https://www.desertcart.fr/products/238844056-bt-600-replacement-combustion-leak-test-fluid-16-oz store_origin: FR region: France --- # Compatible with gas, diesel & alternative fuels Instant color change detection 16 oz fluid for 16 precise tests BT-600 Replacement Combustion Leak Test Fluid 16 Oz **Brand:** block tester **Price:** € 0.24 **Availability:** ❌ Out of Stock ## Summary > πŸ§ͺ Detect leaks before they detect you β€” stay ahead with BT-600! ## Quick Answers - **What is this?** BT-600 Replacement Combustion Leak Test Fluid 16 Oz by block tester - **How much does it cost?** € 0.24 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/238844056-bt-600-replacement-combustion-leak-test-fluid-16-oz) ## Best For - block tester enthusiasts ## Why This Product - Trusted block tester brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Compact & Lightweight:** At just 0.28 g and under 7 cm dimensions, it’s easy to store and transport for on-the-go diagnostics. - β€’ **Instant Leak Detection:** Fluid shifts from blue to yellow on contact with combustion leaks, delivering clear, immediate results. - β€’ **Reliable 16-Test Capacity:** Each 16 oz bottle powers up to 16 accurate combustion leak tests, maximizing value and efficiency. - β€’ **Optimized for Block Tester:** Specifically designed for Block Tester brand testers but versatile enough for other fluid-based leak testers. - β€’ **Universal Fuel Compatibility:** Works seamlessly with gasoline, diesel, propane, CNG, and other alternative fuelsβ€”one fluid for all your engines. ## Overview The BT-600 Replacement Combustion Leak Test Fluid is a 16-ounce solution engineered for up to 16 precise tests. Compatible with Block Tester devices and other fluid-based testers, it works across gasoline, diesel, propane, CNG, and alternative fuels. Its color-changing formula instantly signals combustion leaks by turning from blue to yellow, empowering professionals to diagnose engine issues swiftly and confidently. ## Description Block Tester BT-600 Replacement Combustion Leak Test Fluid 16 Oz Review: Block Tester BT-600 Replacement Combustion Leak Test Fluid 16 Oz - Quick shipper. Great item as described. Well packed. Great price. Thank you. Review: Unbelievable product - Does as it should the best brand there is out there for testing exhaust emissions in the coolant to see if the headgasket is gone ## Features - 16 ounces / 474 ml (good for 16 tests in Block Tester brand combustion leak tester) - Use in Block Tester brand combustion leak tester or other fluid-based leak testers - Works with GAS or DIESEL engines as well as propane, CNG, and other alternative fuels - When fluid turns from BLUE to YELLOW combustion leak is present ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B06WLKWB8T | | Best Sellers Rank | 119,104 in Automotive ( See Top 100 in Automotive ) 478 in Fuel Systems | | Brand | Block Tester | | Customer Reviews | 4.8 4.8 out of 5 stars (397) | | Date First Available | 2 April 1971 | | Item Weight | 0.28 g | | Item model number | BT-600 | | Manufacturer | Block Tester | | Manufacturer part number | BT-600 | | Model | BT-612 | | Product Dimensions | 6.99 x 6.99 x 18.11 cm; 0.28 g | ## Images ![BT-600 Replacement Combustion Leak Test Fluid 16 Oz - Image 1](https://m.media-amazon.com/images/I/511fLS-pUBL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Block Tester BT-600 Replacement Combustion Leak Test Fluid 16 Oz *by C***D on 19 January 2026* Quick shipper. Great item as described. Well packed. Great price. Thank you. ### ⭐⭐⭐⭐⭐ Unbelievable product *by R***S on 29 May 2025* Does as it should the best brand there is out there for testing exhaust emissions in the coolant to see if the headgasket is gone ### ⭐⭐⭐⭐⭐ does exactly what it says *by S***R on 1 May 2025* I own a garage and do these tests all day long. Works just the same as the more expensive stuff and came next day :-) ## Frequently Bought Together - Block Tester BT-600 Replacement Combustion Leak Test Fluid 16 oz - OEMTOOLS 37145 Combustion Leak Detector, Plastic and Rubber Tester for Engine Block Leaks, Automotive Blown Head Gasket Test, Block Test Kit - RELD Head Gasket Tester Kit Combustion Leak Detector for 50 Tests --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.fr/products/238844056-bt-600-replacement-combustion-leak-test-fluid-16-oz](https://www.desertcart.fr/products/238844056-bt-600-replacement-combustion-leak-test-fluid-16-oz) --- *Product available on Desertcart France* *Store origin: FR* *Last updated: 2026-04-23*