--- product_id: 166486607 title: "4\" inch Turbo Boost Leak Tester - Leak Detector - 6061 Billet Aluminum - 30 PSI - Check Test Intake Charge Pipe Pressure Leaks - Includes Both Tire and 1/4\" Air Fititng" brand: "turbo boost leak testers" price: "¥20432" currency: JPY in_stock: true reviews_count: 10 category: "Turbo Boost Leak Testers" url: https://www.desertcart.jp/products/166486607-4-inch-turbo-boost-leak-tester-leak-detector-6061-billet store_origin: JP region: Japan --- # 6061 Billet Aluminum End Cap - durable precision 30 PSI max pressure - accurate leak detection Includes tire & 1/4" air fittings - versatile setup 4" inch Turbo Boost Leak Tester - Leak Detector - 6061 Billet Aluminum - 30 PSI - Check Test Intake Charge Pipe Pressure Leaks - Includes Both Tire and 1/4" Air Fititng **Brand:** turbo boost leak testers **Price:** ¥20432 **Availability:** ✅ In Stock ## Summary > 🚀 Boost Your Ride’s Power & Efficiency — Don’t Let Leaks Steal Your Edge! ## Quick Answers - **What is this?** 4" inch Turbo Boost Leak Tester - Leak Detector - 6061 Billet Aluminum - 30 PSI - Check Test Intake Charge Pipe Pressure Leaks - Includes Both Tire and 1/4" Air Fititng by turbo boost leak testers - **How much does it cost?** ¥20432 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/166486607-4-inch-turbo-boost-leak-tester-leak-detector-6061-billet) ## Best For - turbo boost leak testers enthusiasts ## Why This Product - Trusted turbo boost leak testers brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Universal Fit for 3"-4" Pipes:** Adaptable end caps and silicone adapters fit most turbo inlets and charge pipes effortlessly. - • **Pinpoint Turbo Leaks Like a Pro:** Detect hidden boost leaks silently sapping your engine’s power before they escalate. - • **5-Year Warranty for Peace of Mind:** Hassle-free replacement backs your investment, keeping your turbo system in peak shape. - • **Precision Pressure Control Included:** Integrated 150 PSI regulator and on/off valve let you safely test up to 30 PSI with shop air. - • **Built to Last with Premium Materials:** Machined 6061 billet aluminum and stainless steel clamps ensure rugged durability and a sleek finish. ## Overview The 4" Turbo Boost Leak Tester is a precision-engineered diagnostic tool crafted from 6061 billet aluminum and stainless steel, designed to detect and isolate boost leaks up to 30 PSI in turbocharged engines. Featuring universal adapters for 3" to 4" pipes, a liquid-filled shockproof gauge, and comprehensive fittings, it empowers turbo owners to maintain optimal engine performance, improve fuel efficiency, and prevent costly damage. Backed by a 5-year warranty, this tester is an essential upgrade for any serious turbo enthusiast. ## Description Product description Find Boost Leaks Before They Cause Power Loss Review: Works perfect for boost leaks. - Worked great and found several boost leaks on my 2012 ram 2500 with s368 turbo. Just buy it if you’re questioning yourself like I did. lol Review: Perfect! - Exactly as described! Worked great! ## Features - Your turbo engine just not pulling as hard as it used to?! It could be a boost leak even if you dont hear the leak! in fact the quiet leaks are the worst, they go undetected compared to large leaks that get immediate attention. Every single turbo car owner needs to be regularly testing the turbo piping for leaks. It affects all aspects of the engines output, performace, efficiency and durability! These days with most engines turbo from the factory it is necessary to run in tip top shape! - Pull harder, improve mpg & keep your motor healthy by eliminating leaks. This boost leak tester fits over the inlet flange of your turbo charger and allows you to pressurize the charge system with shop compressed air while the vehicle is off. This allow you to listen for leaks that become easily identifiable - Fixes P0299 Underboost code and a hose of other boost related codes. Fixing your turbo leaks will restore balance within your engine or build. Keeps the turbo shaft speed back in check and AFRs also become stabilized. - Fits over 4" turbo inlets or over any 4" hard pipe with outer diameter (O.D) of 4". The End cap O.D. is 3" and can be slipped inside flexible hoses with 3" inner diameter. Or adapt the end cap to other silicone adapters. - Anti-Slip bead and grooves machined on hose mating surface. End Cap made from 6061 Solid Billet Aluminum and Anodized -Custom Premium 30 PSI (2Bar) Boost Gauge - Stainless Steel and liquid filled for a shock proof design. Universal Tire Schrader Valve & Compressor fittings included. Stainless Steel T-Bolt Clamps - ENGINEERED FOR PRECISION TESTING - This Charge Air Cooler tester kit is designed to fit into the flexible hoses on each side of your CAC and isolate it for a pressure test up to 60 PSI. The two billet end caps have 4in, 3.5in and 3in steps. The 5 ft. extension line kit comes with an air pressure on/off valve, 150 pressure regulator to safely and accurately drop the source pressure down to a reasonable level, and allow you to check the intercooler for leaks - 5-Year Warranty, Hassle-Free Replacement: Offering a 5-year warranty on all parts and components from defects with an easy hassle-free process. Let us know your issue and we will send out your replacement parts fast! Instructions included and direct contact info included ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07XH7SKLQ | | Best Sellers Rank | #20,664 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #19 in Leak Detection Tools | | Brand | Turbo Boost Leak Testers | | Brand Name | Turbo Boost Leak Testers | | Customer Reviews | 4.6 out of 5 stars 193 Reviews | | Included Components | boost leak tester | | Item Dimensions | 4 x 4 x 3 inches | | Item Weight | 21 Ounces | | Item dimensions L x W x H | 4 x 4 x 3 inches | | Manufacturer | Turbo Boost Leak Testers | | Material | 3 layer Silicone 3"-4" adapter, 6061 Billet Aluminum 3" End Cap, Stainless Steel High Torque T-Bolt Clamps 3" & 4" Material 3 layer Silicone 3"-4" adapter, 6061 Billet Aluminum 3" End Cap, Stainless Steel High Torque T-Bolt Clamps 3" & 4" See more | | Material Type | 3 layer Silicone 3"-4" adapter, 6061 Billet Aluminum 3" End Cap, Stainless Steel High Torque T-Bolt Clamps 3" & 4" | | Model | 3inchCAP | | Number of Items | 1 | | Part Number | 4BGREEN | | Thread Style | 1/4" -18 Npt National Pipe Thread | | Thread Type | 1/4" -18 Npt National Pipe Thread | | Unit Count | 1.0 Count | | Warranty Description | 5yr | ## Product Details - **Brand:** Turbo Boost Leak Testers - **Material:** Aluminum - **Item dimensions L x W x H:** 4 x 4 x 5.5 inches - **Item Weight:** 21 Ounces - **Manufacturer:** Turbo Boost Leak Testers ## Images ![4" inch Turbo Boost Leak Tester - Leak Detector - 6061 Billet Aluminum - 30 PSI - Check Test Intake Charge Pipe Pressure Leaks - Includes Both Tire and 1/4" Air Fititng - Image 1](https://m.media-amazon.com/images/I/81UfgZxVcsL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works perfect for boost leaks. *by D***N on May 17, 2026* Worked great and found several boost leaks on my 2012 ram 2500 with s368 turbo. Just buy it if you’re questioning yourself like I did. lol ### ⭐⭐⭐⭐⭐ Perfect! *by J***Y on March 16, 2026* Exactly as described! Worked great! ### ⭐⭐⭐⭐⭐ Worth it! Buy this one *by J***E on October 29, 2025* I used a little pipe dope to put the gauge in the cap, but it might not be needed. Clamps feel good quality, it fit snugly together and perfectly in my 3rd gen swap 4th gen 6.7 Cummins. This was exactly what I needed with the angled valve stem, that was a game changer as space is limited but I found several leaks and fixed my issue. Good quality for a fair price, easy to assemble with no leaks. I’d definitely buy it again if I lose this one. ## Frequently Bought Together - 4" inch Turbo Boost Leak Tester - Leak Detector - 6061 Billet Aluminum - 30 PSI - Check Test Intake Charge Pipe Pressure Leaks - Includes Both Tire and 1/4" Air Fititng - 5 FT Whip Extension Air Hose with 150 PSI air regulaor and shut off ball valve - 1/4" NPT M Type fittings - Perfect for boost leak tester - Turbo Boost Leak Testers 3" End Cap- 6061 Billet Aluminum- Tire Valve- 30 PSI Boost Gauge --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/166486607-4-inch-turbo-boost-leak-tester-leak-detector-6061-billet](https://www.desertcart.jp/products/166486607-4-inch-turbo-boost-leak-tester-leak-detector-6061-billet) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-06-22*