13640-32G20 Engine Temp Sensor for Suzuki 25HP 30HP | JLM Marine

13640-32G20 Engine Temp Sensor for Suzuki 25HP 30HP | JLM Marine

This engine temperature sensor is designed to fit Suzuki outboard motors rated at 25HP and 30HP. It monitors coolant temperature and ensures your engine management system receives accurate data for optimal performance and protection against overheating.

This aftermarket replacement directly substitutes OEM part numbers 13640-32G20, 1364032G20000, and 13640-32G20-000, providing a cost-effective solution without compromising reliability.

• Precision-engineered temperature sensing element for accurate readings
• Drop-in replacement for easy installation
• Essential component for engine diagnostics and protection

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your engine model/year in the table below. For Suzuki owners, You can review exploded diagrams here to verify part numbers: Suzuki Parts Diagrams & Catalog.

Technical Specifications

Package Contents

Your package includes:

• 1 × Suzuki Outboard Engine Temperature Sensor

Installation Guide

1. Disconnect the battery to prevent electrical issues during installation.
2. Locate the existing temperature sensor on your Suzuki outboard engine block or cylinder head.
3. Disconnect the electrical connector from the old sensor by gently pressing the release tab.
4. Using an appropriate wrench or socket, carefully unscrew the old temperature sensor counterclockwise.
5. Inspect the mounting hole and threads for debris or corrosion; clean if necessary.
6. Apply a small amount of anti-seize compound to the threads of the new sensor to prevent future seizing.
7. Hand-thread the new sensor into the mounting hole clockwise to avoid cross-threading.
8. Tighten the sensor to the manufacturer's specified torque (typically 10–15 ft-lbs); do not over-tighten.
9. Reconnect the electrical connector to the new sensor, ensuring it clicks securely into place.
10. Reconnect the battery and start the engine to verify proper operation.
11. Check the engine temperature gauge or diagnostic system to confirm the sensor is transmitting accurate readings.
12. Inspect for any coolant leaks around the sensor and address immediately if found.

Troubleshooting & FAQ

Q: How do I confirm this temperature sensor fits my Suzuki outboard?
A: Cross-reference your engine's HP rating (25HP or 30HP) with the compatibility table above. Verify your current sensor's part number matches 13640-32G20, 1364032G20000, or 13640-32G20-000. You can also consult the Suzuki parts diagrams linked above.

Q: What are the signs that my temperature sensor has failed?
A: Common symptoms include an inaccurate or non-functioning temperature gauge, engine overheating warnings when the engine is cool, poor engine performance, or diagnostic trouble codes related to coolant temperature. If you experience any of these, inspect and test the sensor.

Q: How often should I replace the engine temperature sensor?
A: Temperature sensors don't have a fixed replacement interval but should be inspected during routine maintenance. Replace immediately if you experience erratic temperature readings, warning lights, or diagnostic codes. Sensors exposed to saltwater environments may degrade faster.

Q: Can I install this sensor myself or do I need a mechanic?
A: Installation is straightforward for those with basic mechanical skills and tools. However, proper torque specification and electrical connector handling are critical. If you're unsure, professional installation is recommended to avoid leaks or electrical issues.

Q: What's the difference between this aftermarket sensor and the OEM version?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.