Thermostat Kit – Fits Volvo Penta 3.0L 1996-Up (Replaces 3853799, 982554, 3852096)

Thermostat Kit – Fits Volvo Penta 3.0L 1996-Up

This thermostat kit is designed for Volvo Penta 3.0L stern drive engines from 1996 and newer, including GLP, GLM, GSP, and GSM models. It serves as a direct replacement component to maintain proper engine operating temperature.

Engineered to meet or exceed OEM specifications, this kit ensures reliable performance and compatibility. It replaces multiple part numbers, making it a versatile solution for routine maintenance or repairs.

• Installation Type: Direct OEM Replacement
• Operating Temperature: 160°F (71°C)
• Includes: Thermostat, Gasket, and O-Ring

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.

Technical Specifications

Package Contents

• 1 x Thermostat (3853799)
• 1 x Gasket (3852096)
• 1 x O-Ring (982554)

Installation Guide

1. Drain the engine coolant to a level safely below the thermostat housing.
2. Carefully disconnect the hoses attached to the thermostat housing.
3. Remove the bolts that secure the thermostat housing cover and lift it off.
4. Remove the old thermostat, gasket, and any O-rings, noting their orientation.
5. Thoroughly clean the mating surfaces of the housing and cover to ensure a proper seal.
6. Install the new gasket, thermostat, and O-ring, ensuring they are positioned correctly.
7. Re-attach the housing cover and tighten the bolts to the manufacturer's specified torque.
8. Reconnect the hoses securely and refill the cooling system with the appropriate coolant.
9. Start the engine and check for any leaks as it comes up to operating temperature.
10. Confirm that the engine temperature gauge reads steady at the normal operating range.

Troubleshooting & FAQ

Q: How do I confirm this kit fits my Volvo Penta 3.0L engine?
A: This kit is designed for Volvo Penta 3.0L engines made from 1996 and newer. Please check the "Compatible Engine Models" table and cross-reference your engine's model, year, and version/ID codes to ensure a perfect match. Verifying your original part number against our cross-reference list is also recommended.

Q: What temperature is this thermostat rated for?
A: This thermostat is rated for 160°F (71°C) to ensure your engine operates in its optimal temperature range, preventing overheating and improving efficiency.

Q: What are the common signs of a failing thermostat?
A: Common symptoms include engine overheating, the temperature gauge reading unusually high or low, poor engine performance, and coolant leaks around the thermostat housing. Replacing a faulty thermostat promptly can prevent serious engine damage.

Q: OEM vs. Aftermarket?
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.