22108 Heat Exchanger Seal Kit for Volvo Penta AD31A AD31B AQAD31A TAMD31A TAMD31B TMD31A TMD31B AD41A AD41B AQAD41A D41A D41B TAMD41A TAMD41B TMD41A TMD41B | JLM Marine

Heat Exchanger Seal Kit – Fits Volvo Penta AD31, AD41, TAMD31, TAMD41, TMD31, TMD41 Diesel Engines

This Heat Exchanger Seal Kit is designed for Volvo Penta diesel marine engines, including the AD31A, AD31B, AQAD31A, TAMD31A, TAMD31B, TMD31A, TMD31B, AD41A, AD41B, AQAD41A, D41A, D41B, TAMD41A, TAMD41B, TMD41A, and TMD41B models. It provides a complete sealing solution for heat exchanger maintenance and replacement.

This kit directly replaces OEM part number 22108, ensuring proper fit and function for your Volvo Penta diesel engine's cooling system.

• Complete seal kit for heat exchanger service
• Designed for Volvo Penta diesel engines
• Ensures proper cooling system performance

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

This package includes:

• Heat Exchanger Seal Kit (as shown in product images)

Installation Guide

1. Ensure the engine is completely cool and shut off before beginning work. Disconnect the battery to prevent accidental starting.
2. Drain the coolant from the heat exchanger system into a suitable container. Refer to your engine manual for proper drain points.
3. Remove the heat exchanger cover bolts in a crisscross pattern to prevent warping. Carefully lift the cover away from the heat exchanger body.
4. Remove and discard all old seals and gaskets. Clean all mating surfaces thoroughly with a non-abrasive cleaner to remove residue and buildup.
5. Inspect the heat exchanger cover and body for cracks, corrosion, or damage. Replace components if necessary before proceeding.
6. Install the new seals from the kit in their proper positions. Ensure seals are seated correctly and evenly in their grooves.
7. Position the heat exchanger cover back onto the body, aligning all bolt holes. Do not force the cover into place.
8. Install cover bolts hand-tight initially, then torque in a crisscross pattern to manufacturer specifications. Refer to your service manual for correct torque values.
9. Refill the cooling system with the appropriate coolant mixture for your engine. Bleed air from the system according to manufacturer procedures.
10. Reconnect the battery and start the engine. Allow it to reach operating temperature while monitoring for leaks.
11. Check coolant level after the engine has cooled and top off if necessary. Inspect all connections for signs of seepage.
12. Dispose of old coolant and seals properly according to local environmental regulations.

Troubleshooting & FAQ

Q: How do I confirm this seal kit fits my Volvo Penta engine?
A: Verify your engine model matches one of the compatible models listed (AD31A, AD31B, AQAD31A, TAMD31A, TAMD31B, TMD31A, TMD31B, AD41A, AD41B, AQAD41A, D41A, D41B, TAMD41A, TAMD41B, TMD41A, TMD41B). Cross-reference your current part number with OEM part 22108 to ensure compatibility.

Q: How often should I replace the heat exchanger seals?
A: Heat exchanger seals should be replaced whenever you remove the heat exchanger cover for service, or if you notice coolant leaks around the cover. Regular inspection during annual maintenance is recommended, with replacement every 3-5 years or as needed based on condition.

Q: What are signs that my heat exchanger seals are failing?
A: Common signs include coolant leaks around the heat exchanger cover, engine overheating, coolant loss without visible external leaks, and mixing of coolant with seawater. If you notice any of these symptoms, inspect and replace the seals immediately.

Q: Can I reuse the old seals if they look okay?
A: No, heat exchanger seals should never be reused once removed. Even if they appear undamaged, seals compress and conform to mating surfaces and will not provide a proper seal when reinstalled. Always use new seals when servicing the heat exchanger.

Q: What is the difference between this aftermarket kit and the OEM part?
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.