23557470 Turbo Gasket for Volvo Penta AD31 AD41 AQ40 AQ41 MD42 TMD31 TMD40 TMD41 TAMD30 TAMD31 TAMD40 TAMD41 TAMD42 KAD300 KAD32 KAD42 KAD43 KAD44 KAMD300 KAMD42 KAMD43 KAMD44 | JLM Marine

Turbo Gasket for Volvo Penta AD31 AD41 AQ40 AQ41 MD42 TMD31 TMD40 TMD41 TAMD30 TAMD31 TAMD40 TAMD41 TAMD42 KAD300 KAD32 KAD42 KAD43 KAD44 KAMD300 KAMD42 KAMD43 KAMD44

This aftermarket turbo gasket is engineered to fit a comprehensive range of Volvo Penta marine diesel engines, including AD, AQ, MD, TMD, TAMD, KAD, and KAMD series models. Whether you're servicing an AD31, TAMD40, KAD42, or KAMD43, this gasket ensures a reliable seal for your turbocharger system.

Designed as a direct replacement for Volvo Penta OEM part numbers 23557470, 23557475, 859111, and 3582676, this gasket provides dependable performance across multiple engine configurations. Built to OEM specifications, it delivers the quality and fitment you need for your marine engine rebuild or maintenance.

• Fits a wide range of Volvo Penta AD, AQ, MD, TMD, TAMD, KAD, and KAMD series engines
• Direct replacement for multiple OEM part numbers including 23557470 and 23557475
• Essential component for turbocharger maintenance and overhaul

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

Your order includes:

• 1 × Turbo Gasket

Installation Guide

1. Disconnect the battery and allow the engine to cool completely before beginning work. Ensure the turbocharger area is accessible and clean.
2. Remove the turbocharger inlet and outlet pipes, taking care to note their orientation for reassembly. Set aside all fasteners in a safe location.
3. Unbolt the turbocharger from the exhaust manifold or mounting flange. Support the turbo unit to prevent it from falling during removal.
4. Carefully remove the old gasket from both the turbocharger and manifold mating surfaces. Use a gasket scraper or soft brush to ensure all residue is cleared without damaging the surfaces.
5. Inspect the mating surfaces for warping, cracks, or corrosion. Address any surface irregularities before proceeding with installation.
6. Position the new turbo gasket onto the mounting flange, ensuring proper alignment with all bolt holes. Do not apply sealant unless specified by your engine manual.
7. Reinstall the turbocharger onto the manifold, carefully aligning the mounting studs or bolt holes. Tighten bolts in a cross-pattern to the manufacturer's specified torque settings.
8. Reconnect the turbocharger inlet and outlet pipes, ensuring clamps or fasteners are secure. Double-check all connections for proper seating.
9. Reconnect the battery and perform a visual inspection of the entire installation area. Check for any loose fasteners or misaligned components.
10. Start the engine and allow it to idle, listening for any unusual sounds or exhaust leaks. Monitor turbocharger operation and check for leaks around the gasket.
11. After the initial test run, re-inspect all fasteners and connections to ensure they remain tight. Retorque bolts if necessary after the engine has cooled.
12. Perform a full operational test under load to confirm proper turbocharger function and gasket seal integrity.

Troubleshooting & FAQ

How do I confirm this gasket fits my Volvo Penta engine?
Check the Compatible Engine Models table above to verify your engine series and model number. You can also cross-reference your existing gasket or turbocharger part number with the OEM numbers listed (23557470, 23557475, 859111, 3582676).

What are the signs that my turbo gasket needs replacement?
Common symptoms include exhaust leaks at the turbocharger connection, hissing or whistling sounds during acceleration, reduced engine power, black smoke from the exhaust, or visible soot around the turbo mounting area. If you notice any of these, inspect and replace the gasket as needed.

How often should I replace the turbo gasket?
Replace the turbo gasket whenever you remove the turbocharger for service, inspection, or cleaning. Gaskets are designed for single use and should not be reused, as they may not provide a proper seal after compression.

Can I reuse the old gasket if it looks intact?
No, turbo gaskets should always be replaced during reassembly. Even if the old gasket appears undamaged, it has been compressed and may not seal properly, leading to exhaust leaks and reduced turbocharger performance.

Do I need to use any sealant with this gasket?
Generally, no sealant is required unless specified by your engine's service manual. The gasket is designed to create a proper seal when torqued to specification. Always consult your Volvo Penta service documentation for specific requirements.

What is the difference between OEM and aftermarket turbo gaskets?
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.