Petrol Car Water Temperature Sensor Suppliers and Manufacturers

Explore 17 verified suppliers offering petrol car water temperature sensors with customizable options and diverse certifications. Compare response times, lead times, and product specifications to find the right partner. Contact suppliers directly to request quotes and samples; review the available evidence before requesting comparable quotations from suitable candidates.

Suppliers List

Comprehensive Sourcing Guide

Petrol Car Water Temperature Sensor Supplier Concentration and Factory Types

When sourcing a Petrol Car Water Temperature Sensor, the first structural question is who actually makes the part versus who resells it. Supplier results for this category include combined manufacturers-and-traders, pure trading companies and dedicated manufacturers, and these types behave differently. A combined supplier listed in Jiangsu, for example, shows a main product line spanning hall effect sensors, proximity sensors, temperature sensors, current transformers and temperature transmitters, with ODM and OEM capability and an ISO9001:2015 and ISO14001:2015 certified system. That breadth signals an instrumentation factory that can absorb automotive sensor work, but it also means your part may not be their core focus. A trading company in Shanghai lists automotive coolant temperature sensors alongside water treatment equipment, which suggests resale or bundling rather than in-house production.

Concentration claims should rest on evidence, not assumption. Where a location is supplied as a verified result fact, you may treat it as an observed cluster signal; where it is not, identify clusters yourself by sampling twenty or thirty listings and tallying province-level origins, then check whether those provinces also host automotive electronics parks. Manufacturer-labeled suppliers in Guangdong list pressure sensors, temperature sensors, level transmitters and data acquisition products with ODM, OEM and own-brand capacity, which fits the sensor-heavy profile you want. Shortlist by type first: factories for customization, trading companies only when you need consolidation.

How to Verify Petrol Car Water Temperature Sensor Suppliers

Verification starts with the credentials a supplier page displays, then moves to what those credentials do not cover. One combined Jiangsu supplier in these results carries third-party verification marked BV and ISO9001:2015 plus ISO14001:2015 certificates; a Shanghai trading company carries SGS verification with the same ISO pair. Treat these as screening signals, not proof of automotive quality: an ISO9001 system certificate says a quality management system exists, not that it was audited against IATF-style automotive expectations. Ask each supplier for the certificate's scope, the issuing body and whether any automotive customer audits are shareable under NDA. For a Petrol Car Water Temperature Sensor, also request material certificates for the brass or plastic housing, the thermistor element and sealing compounds.

Second, verify capability with the product data itself. A listed car water temperature sensor shows concrete attributes: a working temperature range of -30105°C, resistance value R25°C = 10kΩ ± 1%, B value 3470±1%, shell pressure resistance under 0.5MPa and customization available. Another listing shows sensor elements of PT50, PT100 and PT1000 with a -30120°C range and a stated insulation resistance of 2kΩ. Cross-check these numbers against your engine specification, then ask the supplier to confirm them on a recent test report with batch traceability. A manufacturer response time of under five hours, as displayed by several results here, helps you run this verification loop quickly, but never treat responsiveness as a substitute for documented evidence.

What to Compare Across Petrol Car Water Temperature Sensor Suppliers

Build a comparison table with only the dimensions the platform actually displays, because not every supplier shows every attribute. In the current results, comparable labels include location, supplier type, verification mark, system certifications, average response time, quoted lead time in days, R&D capacity and main products. The Jiangsu combined supplier shows a 15-day lead time and a 4.66-hour response; the Shanghai trading company shows 23 days and 11.28 hours; a Guangdong manufacturer shows a 4.88-hour response with ODM, OEM and own-brand capacity. These gaps are meaningful: a 15-versus-23-day lead time changes your reorder planning, and an eight-hour response difference determines how fast engineering questions get answered during customization.

Compare product-level evidence next. The Jiangsu supplier's listings show unit prices from roughly $0.10 to $12.00 with a minimum order quantity of 10 pieces on one water temperature sensor, and an MOQ of 1 on another car water temperature sensor listing; the Shanghai trading company's coolant sensor is listed at a flat $205.00, which likely reflects an industrial instrument rather than a volume automotive part. That price spread tells you listings in this category mix automotive thermistors with industrial transmitters, so filter hard by sensing type, output signal and thread standard. Also compare establishment year where displayed, escrow or trade-assurance availability, and whether the main product list is sensor-centric or diversified — a focused sensor maker will generally support tolerance and calibration questions better than a generalist.

Common Petrol Car Water Temperature Sensor Sourcing Risks

The largest risk is category confusion. As noted above, this search surface mixes genuine automotive coolant sensors with industrial water-temperature instruments — the $205 GRT-series listings from the Shanghai supplier specify thread standards like 3/4" NPT and glass pH-style bodies intended for treatment plants, not engine bays. Ordering from keyword proximity alone can land you an unusable industrial probe. Insist on seeing the exact automotive part: a Petrol Car Water Temperature Sensor should match your thread size, connector type, resistance curve and temperature range, and the listing attributes should state those values explicitly rather than leaving them blank.

Second is specification drift. One listing shows a -30105°C working range with R25°C = 10kΩ ± 1%; another shows a -30120°C range with PT50/PT100/PT1000 elements and digital output; a Guangdong resistive-sensor listing shows a -200~200°C measuring span on a wall-mounted type. None of these is wrong, but each suits a different vehicle or aftermarket use, and suppliers may substitute elements when stock runs low. Lock the element type, tolerance class and B value in a signed specification sheet before deposit. Third is certification overreach: ISO9001:2015 and ISO14001:2015 displayed by two suppliers here are management-system certificates, not automotive product approvals. Do not present them to your customer as product compliance. Finally, verification marks (BV, SGS) confirm the company existed and was inspected on a date — they do not guarantee this specific sensor line, so sample-test every new batch.

Petrol Car Water Temperature Sensor Regional Sourcing and Logistics

Regional strategy in these results comes down to three observed origins: Jiangsu, Shanghai and Guangdong. The Jiangsu combined supplier positions itself near a sensor-manufacturing base with a broad instrumentation portfolio, a 15-day lead time and BV verification; Shanghai's trading company sits in a major export hub with a 23-day lead time and SGS verification, which can simplify consolidated freight even if the goods originate elsewhere; the Guangdong manufacturer operates near dense electronics supply chains with fast displayed response times. Where a region is not confirmed by data, do the cluster-mapping yourself: filter listings by province, note which provinces recur for temperature sensors specifically, and cross-reference against provincial automotive-parts industry directories before committing to a visit.

Logistics planning should start from the part's physical profile. Water temperature sensors are small, robust and non-hazardous, so air freight is viable for samples and urgent top-ups, while sea freight suits routine replenishment of thousands of pieces. Confirm packing details in writing — one listing here states "Standard" packing and another specifies wooden packages for industrial instruments; automotive sensors need individual blister or tray packing to protect threads and connectors. Ask about export documentation practice, including whether the supplier ships under your consignee or via forwarder, and check whether lead times quoted (15 versus 23 days here) refer to production only or production plus transit, because that distinction alone can erase a lead-time advantage between regions.

Petrol Car Water Temperature Sensor Commercial Terms and Order Planning

Order planning for this category benefits from unusually low entry barriers. Displayed MOQs in the current results include 10 pieces on one car water temperature sensor listing and just 1 piece on another, with unit prices from about $0.10 to $12.00. That makes sampling cheap: order two or three variants at low MOQ, bench-test resistance at reference temperatures against your R25°C and B-value requirements, and only then commit to volume. When moving to production, negotiate a tiered price sheet tied to quantity breaks rather than a single unit price, and confirm whether customization fees — connector changes, cable length, thread variants — are amortized into unit cost or charged as tooling.

Payment and risk terms come next. Ask each supplier which escrow or platform-protected payment options they support; the results here do not state escrow availability, so this must be verified directly rather than assumed. Favor milestone payments on first orders (deposit with balance after inspection) and open account or reduced deposits once two or three batches pass incoming inspection. Fold the displayed response times into your service-level expectations — suppliers answering in under five hours will resolve line-down quality issues faster than those averaging eleven. Finally, set a reorder calendar from the 15- to 23-day lead times observed, add safety stock for your fastest-moving SKUs, and reserve a second qualified supplier before your first supplier reaches capacity, since single-sourcing a $1–3 part rarely justifies the downtime risk it creates in an aftermarket or assembly context.

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FAQs

What is a Petrol Car Water Temperature Sensor and what does it do?

A Petrol Car Water Temperature Sensor measures coolant temperature and sends a signal to the engine control unit. The ECU uses this data to adjust fuel injection, ignition timing, and cooling fan operation. Accurate readings prevent overheating, support cold-start performance, and help maintain fuel efficiency across driving conditions.

What temperature range should a car water temperature sensor cover?

For petrol engines, a typical working range is around -30 to 105 degrees Celsius, covering cold starts and normal operating temperatures. Some listings show -30-120 for wider coverage, while industrial variants reach -200 to 850. Verify the exact range matches your vehicle specification before ordering.

What is the usual minimum order quantity for these sensors?

Listed minimum order quantities in this category range from 1 piece to 10 pieces, depending on the sensor type. Customized or premium variants often carry higher MOQs, while standard thermocouple types may ship in small trial lots. Confirm the MOQ for your specific model and any customization requirements directly with suppliers.

How much do car water temperature sensors cost?

Prices vary widely by construction and accuracy. On this page, car water temperature sensors are listed from roughly $0.10 to $12 per unit, while more complex industrial or air conditioning temperature sensors start near $7 and can exceed $200. Material, sensing element, and output type drive the differences.

Which sensing elements are used in water temperature sensors?

Common elements include thermistors and PT-series platinum resistors such as PT50, PT100, PT200, PT500, and PT1000. Thermocouple types like K, J, N, E, S, T, R, and B are also offered. A typical resistance value listed is R25 of 10kΩ with a B value of 3470, so match these to your vehicle's specification.

Can I order customized water temperature sensors for new energy vehicles?

Yes, several listed products support customization, including sensors designed for new energy vehicles with a working range of -30 to 105 degrees Celsius. Suppliers in Jiangsu offer ODM and OEM services, and a Guangdong manufacturer also lists OEM, ODM, and own-brand capability. Provide your resistance value, thread, and connector requirements when requesting quotes.

What certifications should I look for when sourcing these sensors?

Relevant evidence includes system certifications such as ISO9001:2015 and ISO14001:2015, which indicate quality and environmental management systems. Some suppliers are also third-party verified by BV or SGS. For automotive parts, additionally verify product-level compliance applicable to your destination market, since listed system certifications alone do not cover component testing.

How fast can suppliers deliver car water temperature sensors?

Listed lead times in this category run from 15 days to 23 days, depending on the supplier and order complexity. Response times to inquiries range from under 5 hours to about 11 hours on this page. Customized orders may take longer than standard models, so confirm production and shipping timelines for your quantity before committing.