Advertising Disclosure
10 Best Tdc Tools - Holiday Sale
Best Choice01Mr. GasketMr. Gasket - 8016MRG Tdc Whistle
Free ShippingMain highlights- Made from quality materials
- Genuine Mr. Gasket product
- Easy installation
- Durable and long lasting
- Designed for performance
9.8Exceptional
Show more
- Curious about how we select the top products for you? Explore How It Works
- 02MainUseool
Top Dead Center Tool 8016MRG TDC Whistle – Universal Top Dead Center Indicator with 14mm/18mm Spark Plug Ports – Top Dead Center Whistle for Distributor Installation, Timing & Valve Adjustment
Main highlights- Versatile Applications for Engine Work: Top dead center whistle perfect for distributor installation, individual cylinder valve setting, timing belt or chain inspection, and cylinder leak down testing—essential for mechanics and DIYers alike
- Quick, Tool-Free Installation: No tools required—just hand-thread the TDC whistle into the spark plug port and you're ready to go. The 27-inch overall length makes it easy to position and hear, even in tight engine bays
- Precise TDC Detection: The TDC whistle produces a clear, audible sound as the piston approaches top dead center (TDC) during the compression stroke—stopping right when TDC is reached. This makes it easy to pinpoint TDC for ignition timing, valve adjustments, and cylinder diagnostics
- Compatible with 14mm & 18mm Spark Plug Ports: Top dead center tool features a dual-size threaded fitting that easily installs into both 14mm and 18mm spark plug holes—compatible with most gasoline engines. Not for use on diesel engines
- Audible Compression Stroke Indicator: The TDC whistle tool makes it easy to detect the compression stroke by ear—no need to visually inspect pistons or rely solely on timing marks. MainUseool TDC compression indicator perfect for both beginners and professional mechanics
9.7Exceptional
Show more
- 03RO6G
RO6G 7880 Top Dead Center Indicator Tool 14mm Thread TDC Indicator Switch Replacement Part 6" Long
Main highlights- Top Dead Center Whistle Tool: The heavy-duty brass plug and stainless steel spring provide clear motion markers, this tdc tool provides clear motion marker for effortless reading of piston top movement, making engine adjustments a breeze.
- Top Dead Center Tool: Top dead center indicator switch replacement part number: 7880 top dead center tdc tool timing gauge 14 mm thread. This top dead center indicator tool is designed to help you locate the exact top dead center of your car engine, ensuring precise timing and optimal performance.
- TDC Tool Size: Engine piston top dead center indicator tool measuring 6.25 inches long by 0.57 inches wide and high, with 14mm thread and 1/8 inch markings, this piston top dead center indicator tool is the Perfect Fit for your engine, ensuring accurate readings every time.
- Superior Quality: Top dead center tool crafted with high-quality materials, including stainless steel springs, thread close connection. Our tdc indicator tool is sturdy, durable, and built to last.
- Simple Installation: Effortlessly install this tdc tool just like a spark plug, tdc whistle tool providing ease and convenience without compromising on accuracy. (Note: Do not use on engines where the spark plug is at an acute angle relative to the piston top, as it may bend the TDC whistle tool shaft)
9.6Exceptional
Show more
Value for Money04TorSorTorSor 2 Pack Cleat Lever Lock Tool TDC/TDF/HVAC Duct Tools Clip 2in1 Heavy Duty Clamp Wrench Hook for Air Ducts and other Ductwork
36% Off Free ShippingMain highlights- The Common Plate Air Duct Clamp Wrench, Galvanized Flange Air Duct Clamp Plate, Ventilation Tool Clamp Buckle, Hook Code Angle Wrench, Is Lightweight And Easy To Carry, Making It A Good Helper For Repairing Ordinary Panel Air Ducts, Heating Ventilation Ducts, And Ventilation Ducts.
- The Clamp Wrench Is Convenient To Use And Easy To Operate. When Installing Ventilation Pipes And Ducts, The Universal Flange Air Duct Tool Can Enter Difficult To Reach Areas And Has A Wide Range Of Applications.
- Size: Length 135mm/5.31inch,155cm/6.1inch,Two Sizes Are More Convenient To Use, With One Side Allowing For Board Clamping And The Other Side Allowing For Screw Tightening.
- Package Included: 2 X Clamp Wrench Hand Tool
- Made Of High Carbon Steel With Galvanized Surface And Made Of High-Quality Materials, It Is Not Easy To Rust, Sturdy And Durable, And Has A Long Service Life
9.5Excellent
Show more
- 05IPA Tools
Innovative Products of America 7880 6" Long 14mm Thread Top Dead Center Indicator
Main highlights- Made of 1144 steel with a stainless steel spring
- Lifetime warranty; made in the U.S.A.
- Installs as easy as a spark plug
- Accurately displays piston movement
- 1/8 inch graduation marks
9.4Excellent
Show more
- 06Tinoaly
Tinoaly Top Dead Center Tool, Top Dead Center Locator Screw in 14mm Spark Plug Hole for Piston Stop Tool
Free ShippingMain highlights- Wide Application: The piston stop tool is suitable for camshaft indexing, valve adjustment and distributor installation. It is one of the must-have accessories for mechanics.
- Product Material: The top dead center locator is made of good-quality cold-plated colored zinc, reliable, strong, not easy to damage, and can maintain good performance even under frequent use.
- Product List: You will receive a top dead center locator that is an ideal accessory for maintaining the performance of your car.
- Practicality: With the precise top dead center positioning function, you can easily and quickly adjust and set the equipment, greatly improving work efficiency.
- Easy to Use: Simply screw the bolt-type piston stop tool into any standard 14mm spark plug hole to quickly locate the top dead center during engine timing.
9.3Excellent
Show more
- 07HCLSY
Magnetic PPC & PPF Clip, Cleat Tool for Ductwork, 6" Jaw and 4" Magnetic Clip Cleat Tool for HVAC, Easy to Operate, Crimpers
Main highlights- 【Small And Compact Design】The 4“ short handle compact design with 6” sturdy jaws allows easy access to tight areas and easy installation anywhere
- 【Magnetic Function】The clamping tool is designed with dual magnetic function, the jaw magnets are easy to hold the clamp in place to prevent it from falling out during installation
- 【Efficient Installation】Cleat tool designed specifically for PPC and PPF clamps, unlike traditional pliers or channel locks, the cleat tool for ductwork quickly and easily secures the clamp in place, increasing installation efficiency and saving time and effort
- 【Durable Material】The cleat tool is made of sturdy 16-gauge thick steel plate material to ensure the durability and reliability of the tool. Corrosion resistant, rust resistant, waterproof and reusable
- 【Compatibility】The upgraded 4” magnetic tool clip allows TDC or TDF clamps to be snapped into place during HVAC ductwork installations, and our 4" magnetic TDC/TDF cleat too is compatible with HVAC systems to ensure accurate installations every time
9.2Excellent
Show more
- 08LVOUP
LVOUP 33650 Engine Piston Top Dead Center Indicator Tool Replace 8016MRG 7880
Main highlights- 【Upgrade Design】2-in-1 fitting threads into 14 mm and 18 mm spark plug ports
- 【Product Material】This indicator is made of good materials.Its sleek surface not only offers a pleasant tactile experience but also makes cleaning and maintenance a breeze.It effectively minimizes the impact of dust and grease on measurement accuracy,ensuring reliable and consistent results for you
- 【Function】Help to eliminate the guesswork involved when diagnosing jumped timing belts and timing chains.Aids in valve adjustments and installation of distributors,timing belts and timing chains
- 【Easy Installation】Tool whistles as the piston approaches Top Dead Center (TDC) on the compression stroke and stops whistling when the piston reaches TDC
- 【Compatibility】Compatible for most vehicles engine replace number: 8016MRG 33650 7880（Not for use on diesel engines）
9.0Excellent
Show more
- 09
Comp CamsCOMP Cams 4795 Top Dead Center Stop, 14mm Bolt-Style
21% Off Free ShippingMain highlights- Positively stop piston in order to find Top Dead Center (TDC)
- Bolt style screws into spark plug hole while plate type bolts across any cylinder bore when heads are off
8.9Very Good
Show more
- 10YGDMD
Piston Stop Tool Screw,Sturdy 66792 Top Dead Center Tool for Accurate Locating Piston Top Dead Center,Professional TDC Tools Pistons Stop Fits 14mm Spark Plug Holes
Main highlights- Product Specs: Contains 66792 top dead center tool*1 (with stud & joint), joint total size is 1*0.71*0.71 inch, outer thread diameter is 0.53 inch, stud total size is 2.52*0.39*0.39 inch, thread diameter is 0.37 inch, compatible with 14 mm spark plug hole
- Locating Top Dead Center: Using our piston stop tool provides a precise mechanical stopping point. By physically stopping the positioning, the piston is blocked by the tool at the exact set position. This indirectly positions the top dead center (TDC)
- Engine Repair: The top dead center tool is a cornerstone tool for engine precision repair, relying on the accurate positioning of the piston top dead center for both valve adjustment (valve lash alignment) and CAM indexing (camshaft timing positioning)
- Bolt-on TDC Tool: The bolt-on TDC tool utilizes the existing engine spark plug holes and screws directly into them without the need to cut additional holes. Plate bolts need to be used with the cylinder head closed and can be routed through the bore
- Added Strength: Zinc-plated carbon steel is used as the main material for the top dead center whistle. Carbon steel has high hardness to maintain functional stability under harsh working conditions, and the galvanized layer further improves service life
8.8Very Good
Show more
