WTM150H1.8R-1
MrGauge
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This 52mm mechanical water temperature gauge is built as a Murphy-compatible solution for engine coolant temperature monitoring. Operating via thermal expansion technology without external electrical power, it carries dual Celsius and Fahrenheit scales to adapt to global market requirements. Equipped with a 4.5-meter red capillary tube and calibrated through three factory rounds, it delivers consistent performance across truck, agricultural, and industrial engine applications. Its universal fit allows parts distributors and repair shops to cover multiple engine types with a single SKU, reducing inventory variety and associated costs for commercial procurement.
This 52mm dual scale mechanical coolant meter prints both Celsius (60-120℃) and Fahrenheit (130-250℉) scales on a single black dial. The dual-scale design accommodates different regional measurement standards worldwide, eliminating the need for separate conversion tools. It serves as a versatile self-powered engine cooling monitor for vehicles and industrial equipment across different markets, supporting cross-regional distribution for parts suppliers.
The 4.5-meter red capillary tube adapts to vehicles with large distances between the dashboard and engine compartment. Each capillary undergoes a 72-hour high-low temperature aging test to maintain stable heat conduction performance. This treatment ensures accurate temperature signal transmission even under sustained high-temperature engine environments, reducing reading drift during long-term operation.
This universal water temp gauge adopts a fully mechanical structure that requires no vehicle power supply or wiring harness. Its built-in thermal expansion sensing core delivers real-time temperature feedback. After three rounds of factory calibration, the full-scale reading error is controlled within ±2℃, supporting accurate overheating detection without reliance on vehicle electrical systems. This structure fits stationary industrial engines and older vehicle models without dedicated gauge wiring.
The gauge is fitted with a polished anti-rust silver bezel that resists oxidation and surface scratches. Bold white scale markings create high contrast against the black dial background, with a viewing angle of nearly 170 degrees. Operators can read coolant temperature clearly under direct sunlight and in low-light conditions, supporting safe operation across different working environments.
This WTM150H1.8R-1 water temperature gauge fits all gasoline and diesel passenger cars, light trucks, agricultural machinery, and stationary industrial engines. Repair shops and parts distributors can stock this single model to cover most customer replacement and modification demands. This broad compatibility reduces the number of SKUs required in inventory, lowering stocking costs and warehouse space occupation for business buyers.
Each finished gauge passes continuous vibration testing and -30℃-125℃ cyclic temperature inspection before delivery. The fully sealed dial shell blocks engine oil splashes and dust intrusion, maintaining stable readings in harsh working conditions. This durable construction lowers product failure rates, reducing after-sales maintenance workload for bulk auto parts wholesale distributors.
Item | Details | Item | Details |
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Condition | New | Purpose | Water temperature measurement |
OE NO. | 20T250812 | Place of Origin | Zhejiang, China |
Size | 52MM | Brand Name | MrGauge |
Model Number | WTM150H1.8R-1 | Warranty | 12 Months |
Car Make | Universal | Product Name | Water Temperature Gauge |
Function | Coolant temperature monitoring | Color | Black |
Material | Steel | Compatible Reference | 20T-250-8-1/2 |
Certifications | ISO 9001, IATF 16949, CE, E-MARK | Quality Control | 100% Tested |
Payment Methods | TT, PayPal, Western Union, Trade Assurance | Single Gross Weight | 0.295 kg |
Freight fleet operators install this long-capillary coolant gauge to monitor engine temperature during long-distance haulage. Real-time dual-scale temperature data allows drivers to identify abnormal overheating at an early stage, helping avoid cylinder damage and unexpected delivery delays on highway routes.
Farm operators and factory technicians fit this self-powered water temp meter on tractors, water pumps, and diesel generators. Its shockproof sealed structure delivers stable readings under dusty, high-load working environments, supporting consistent protection for industrial engines in outdoor and workshop settings.
Classic car and off-road vehicle enthusiasts use this 52mm mechanical gauge for modification projects. The 4.5m red capillary tube adapts to modified engine layouts without complex wiring, supporting consistent coolant temperature tracking during mountain off-road driving and vintage car exhibition events.
Vehicle maintenance garages and wholesale parts suppliers stock this universal water temp gauge as standard replacement inventory. It supports quick cooling system modification and meter replacement services for all vehicle owners, with one model covering most common engine applications.
This product is certified with ISO 9001, IATF 16949, CE, and E-MARK, aligning with international automotive quality and safety standards. Certification documents are available upon request for commercial procurement verification.
This gauge is designed to match standard Murphy temperature gauge mounting dimensions and functional specifications, serving as a replacement option for corresponding models. For specific model matching, customers can provide original part numbers to our sales team for confirmation.
We offer a 12-month warranty against manufacturing defects for all orders, with permanent technical support. Spare parts are available for long-term supply, and local after-sales support is accessible in key regional markets.
We accept T/T, Western Union, and Alibaba Trade Assurance for commercial orders. All transaction processes follow standard trade procedures, and our sales team provides step-by-step guidance throughout the ordering process.
For bulk pricing inquiries and custom capillary length options, contact our sales team for detailed support tailored to your business operations.
