SKU: 1146247767

Thermostat Repair Service Kit for Volvo Penta 4.3L 5.0L 5.7L V6 V8 SternDrive Motors 3587597

Sale price$18.86 Regular price$20.95
Save 10%

Pay in installments of $5.24 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 26 - Aug 31

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Thermostat Repair Service Kit for Volvo Penta 4.3L 5.0L 5.7L V6 V8 SternDrive Motors 3587597Thermostat Kit for Volvo Penta 4. 3L 5. 0L 5. 7L Engines This thermostat kit is engineered for Volvo Penta 4. 3L, 5. 0L, and 5. 7L V6 & V8 sterndrive engines, primarily suiting models from the 1990s to early 2000s equipped with a freshwater cooling system. It serves as a direct replacement for multiple OEM and aftermarket part numbers, including Volvo Penta 3587597 and 3862835, Sierra 18 3618 series, and others, ensuring broad compatibility for

Thermostat Kit for Volvo Penta 4.3L 5.0L 5.7L Engines

This thermostat kit is engineered for Volvo Penta 4.3L, 5.0L, and 5.7L V6 & V8 sterndrive engines, primarily suiting models from the 1990s to early 2000s equipped with a freshwater cooling system.

It serves as a direct replacement for multiple OEM and aftermarket part numbers, including Volvo Penta 3587597 and 3862835, Sierra 18-3618 series, and others, ensuring broad compatibility for maintenance and repair.

  • Includes a 150°F (66°C) thermostat, gasket, and O-ring for a complete installation.
  • Designed specifically for marine engines with freshwater cooling systems.
  • Replaces essential components to restore proper engine operating temperature.

Part Number Cross-Reference

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

Brand Part Number
Volvo Penta 3587597 / 3862835
Sierra 18-3618 / 18-3615 / 18-2917
OMC 3701777
MerCruiser 27-33179 / 27-53045

Compatible Engine Models

Confirm your engine model/year in the table below.

Brand Model Stroke Years OEM Part No. Notes
Volvo Penta 4.3GL-P 4-Stroke 2002 & up 3587597
Volvo Penta 4.3GXi-P 4-Stroke 2002 & up 3587597
Volvo Penta 5.0GL-A 4-Stroke 2002 & up 3587597
Volvo Penta 5.7GiCE 4-Stroke 2002 & up 3587597
Volvo Penta 4.3L V6 4-Stroke 3587597 MPI/EFI Engines
Volvo Penta 5.0L V8 4-Stroke 3587597 MPI/EFI Engines
Volvo Penta 5.7L V8 4-Stroke 3587597 MPI/EFI Engines

Technical Specifications

Specification Value
Product Type Thermostat Kit (Repair Service Kit)
Temperature Rating 150°F (66°C)
Application Marine Sterndrive Engines
For Cooling Type Freshwater Cooling System
Operating Temperature 150°F (66°C) opening temperature
Other Technical Attributes Includes thermostat, gasket and O-ring

Package Contents

  • 1 x Thermostat (3587597)
  • 1 x Thermostat Housing Gasket (3701777)
  • 1 x O-Ring (3852071)

Installation Guide

  1. Preparation: Ensure the engine is completely cool. Disconnect the negative battery terminal for safety.
  2. Drain Coolant: Place a drain pan under the thermostat housing and drain the coolant to a level below the housing.
  3. Locate Housing: Find the thermostat housing, typically where the main coolant hose from the circulation pump connects to the engine block.
  4. Remove Housing: Loosen and remove the bolts securing the housing cover. Gently tap the housing if it's stuck, but avoid prying.
  5. Remove Old Thermostat: Lift out the old thermostat and note its orientation.
  6. Clean Surfaces: Thoroughly clean the mating surfaces of the housing and engine block, removing all old gasket material and corrosion.
  7. Install New Thermostat: Place the new thermostat into the block or housing in the correct orientation.
  8. Install Gasket/O-Ring: Position the new gasket and O-ring, ensuring they are seated correctly to prevent leaks.
  9. Reattach Housing: Reinstall the housing cover and tighten the bolts evenly to the manufacturer's recommended torque specifications.
  10. Refill Coolant: Refill the cooling system with the appropriate type and amount of coolant.
  11. Check for Leaks: Reconnect the battery. Start the engine and let it warm up, carefully checking for any leaks around the thermostat housing.
  12. Final Check: Once the engine reaches operating temperature, check the coolant level again and top off if necessary.

Troubleshooting & FAQ

How do I know if this thermostat kit will fit my Volvo Penta engine?
This kit is designed for Volvo Penta 4.3L, 5.0L, and 5.7L V6 & V8 sterndrive engines, mainly from the 1990s to early 2000s using freshwater cooling. Please review the "Compatible Engine Models" table and cross-reference your OEM part number to ensure a match.

What are the signs of a failing thermostat?
Common signs include engine overheating, the engine not reaching normal operating temperature, or erratic temperature gauge readings. A stuck-open thermostat will prevent the engine from warming up, while a stuck-closed one will cause it to overheat quickly.

Is this a 150°F or a different temperature thermostat?
This is a 150°F (66°C) thermostat. Using the correct temperature rating is critical for ensuring optimal engine performance, fuel efficiency, and longevity, especially in freshwater-cooled marine applications.

OEM vs. Aftermarket?
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.

How fast do you ship and how much does it cost?
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.

What is your warranty and return policy?
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.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 1146247767

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.3 ★★★★★
Based on 16 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
E
Verified Purchase
Educator
Carnegie, US
★★★★★ 5
Outstanding
Format: Kindle
The daily readings applied to my daily life repeatedly and brought encouragement, peace, and a renewed sense of the will and presence of God. I highly recommend giving this book as a gift to family and friends.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2023
T
Verified Purchase
Timothy Williams
Phoenix, US
★★★★★ 5
Help is on the way and it comes every day !
Format: Kindle
This book contains words that will encourage anyone wanting encouragement, just be willing to see what is set before you contains the Word Of God and His Words are filled with life for those who find them and health to all their flesh. This book really has been a help to my wife and myself. I have found that a word for a certain day spoke the very word of encouragement to me that I really needed that day and these words are more than just someone making suggestions. Perhaps they were written for someone you know or maybe even you yourself, who knows maybe they have come into your grasp for such a time of need as now ? Anyway you judge for yourself, just be encouraged.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 14, 2013
A
Verified Purchase
Amazon Customer
Bozeman, US
★★★★★ 5
Excellent teaching and explanations. Much encouragement. Recommend people should get this book
Format: Kindle
Excellent teaching. Explanations and encouragement. Positive outcomes. Definitely recommend that children of God get this book. Brenda Kunneman is a dedicated woman of God.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 31, 2022
M
Verified Purchase
Mike C.
Whiting, US
★★★★★ 5
A Very Helpful Guide to a Complicated Topic
Format: Kindle
This was a very good and genuinely helpful book. Estate planning and living trusts can feel intimidating, especially when you start hearing legal terminology and worrying about making costly mistakes. What I appreciated most is that this book takes a complicated subject and makes it feel understandable and manageable. The writing is clear and practical. Rather than assuming prior legal knowledge, it walks you through the process step by step in a way that feels approachable. I especially appreciated the explanations about trustees, beneficiaries, funding the trust, and the practical realities of organizing assets properly. Those details matter, and the book does a good job helping the reader think through them carefully. The worksheets and ready-to-use materials were also a big plus. They help turn the information into action instead of leaving you wondering what to do next. I found myself feeling much more confident about the overall process by the time I finished. Another strength is that the book addresses real-life situations that many families face, not just ideal scenarios. Issues like blended families, uneven inheritances, and planning ahead for future complications are discussed in a thoughtful and practical way. Of course, estate planning is important enough that complicated situations may still benefit from professional advice, especially since laws vary from place to place. But as an educational guide and starting point, I thought this book was excellent and very worthwhile. If you have been putting off learning about living trusts because it feels overwhelming, this book is a great place to begin.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
A
Verified Purchase
An avid reader
Natrona Heights, US
★★★★★ 5
For anyone considering a living trust now or may in the future
Format: Kindle
I was quite relieved to find this. It is a complicated topic, fraught with fears of things one might miss or mistakes one could make that would be costly. This guide breaks everything down into steps that are easy to understand and follow, with clear explanations for each one. The worksheets along the way are invaluable. I have been working on getting everything together for a living trust for some time and I found this book just in time to get me over the hurdles I'd been confronting. It's worthwhile for anyone to read this, whether currently planning a living trust or thinking ahead to the future.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026

recommand products