3582435 Decarb Head Gasket Kit for Volvo Penta AD31 AQAD31 KAD32 TMD31 TAMD31 MD31 TD31ACE | JLM Marine

Decarb Head Gasket Kit for Volvo Penta AD31 AQAD31 KAD32 TMD31 TAMD31 MD31 TD31ACE

This Decarb Head Gasket Kit is engineered for Volvo Penta 31 and 32 series marine diesel engines, including AD31, AQAD31, KAD32, TMD31, TAMD31, MD31, and TD31ACE models. Designed to restore compression and seal integrity during decarbonizing maintenance, this kit ensures reliable performance across a wide range of Volvo Penta applications.

This aftermarket kit directly replaces Volvo Penta 3582435, 876103, 876121, and 358121, as well as equivalents from Crom Marine (121025), Orbitrade (ORB21103), and SLP (HS-435). It provides cost-effective maintenance without compromising on quality or fitment.

• Complete decarbonizing head gasket kit for comprehensive engine maintenance
• Compatible with multiple Volvo Penta 31/32 series diesel engines
• Direct replacement for OEM and aftermarket part numbers

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:

• 1 × Decarbonizing Head Gasket Kit

Installation Guide

1. Disconnect the battery and allow the engine to cool completely before starting work.
2. Remove the valve cover and any components obstructing access to the cylinder head.
3. Carefully unbolt and lift the cylinder head, noting the position of all fasteners and components.
4. Clean all carbon deposits from the cylinder head, block surface, and combustion chambers using appropriate decarbonizing tools and solvents.
5. Inspect the cylinder head for warping or damage; resurface if necessary according to manufacturer specifications.
6. Remove all old gasket material from both the cylinder head and block surfaces; ensure surfaces are completely clean and dry.
7. Position the new head gasket from the kit onto the engine block, aligning all bolt holes and coolant/oil passages.
8. Carefully lower the cylinder head back into place, ensuring proper alignment with dowel pins.
9. Install head bolts and torque them to Volvo Penta specifications in the correct sequence (consult your service manual).
10. Reinstall all removed components, including valve cover, intake/exhaust manifolds, and accessories.
11. Reconnect the battery and refill coolant and oil to proper levels. Check for leaks before starting the engine.
12. Run the engine at idle and monitor for proper operation, checking temperature and pressure gauges for normal readings.

Troubleshooting & FAQ

Q: How do I confirm this kit fits my Volvo Penta engine?
A: Check the Compatible Engine Models table above for your specific engine model (e.g., AD31A, TAMD31B, KAD32P). Also verify that the OEM part number 3582435 or cross-references match your engine's service manual or existing gasket kit.

Q: What's included in this decarbonizing head gasket kit?
A: This kit contains all necessary gaskets and seals required for decarbonizing maintenance on the cylinder head. It provides a complete solution for restoring compression and sealing surfaces during engine overhaul or maintenance.

Q: How often should I replace the head gasket or perform decarbonizing maintenance?
A: Decarbonizing intervals vary based on operating conditions, fuel quality, and engine hours. Consult your Volvo Penta service manual for recommended intervals, but typically this maintenance is performed every 1,000–2,000 operating hours or when symptoms like loss of power, excessive smoke, or compression issues appear.

Q: What are signs that my engine needs decarbonizing or a new head gasket?
A: Common symptoms include loss of power, rough idling, white or blue exhaust smoke, overheating, coolant loss without visible leaks, or poor fuel economy. These can indicate carbon buildup or head gasket failure requiring maintenance.

Q: Is this an OEM or aftermarket gasket kit?
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.