876376 Decarbonizing Head Gasket Kit for Volvo Penta MD11C MD11D | JLM Marine

876376 Decarbonizing Head Gasket Kit for Volvo Penta MD11C MD11D

This Decarbonizing Head Gasket Kit is engineered for Volvo Penta MD11C and MD11D diesel marine engine models. Designed to restore proper compression and seal integrity during decarbonization service, this kit ensures reliable performance for your marine diesel engine.

Direct Replacements: Volvo Penta 876376, 875553 | Crom Marine 121049 | Orbitrade ORB21553, 18-4342

• Complete decarbonizing head gasket kit for Volvo Penta diesel engines
• Aftermarket replacement with quality components for reliable sealing
• Essential for engine maintenance and decarbonization procedures

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 beginning work.
2. Remove the cylinder head cover and any components obstructing access to the cylinder head.
3. Carefully remove the cylinder head bolts in the reverse of the tightening sequence specified in your service manual.
4. Lift the cylinder head from the engine block and inspect for warping or damage.
5. Thoroughly clean all gasket surfaces on both the cylinder head and engine block, removing all old gasket material and carbon deposits.
6. Inspect the cylinder head for cracks or excessive wear; resurface if necessary.
7. Position the new head gasket from the kit onto the engine block, ensuring proper alignment with dowel pins.
8. Carefully lower the cylinder head back onto the engine block, aligning it with the gasket and dowel pins.
9. Install new cylinder head bolts (if included in kit) and torque them to manufacturer specifications in the proper sequence.
10. Reinstall all removed components, hoses, and connections in reverse order of removal.
11. Refill coolant and check all fluid levels before starting the engine.
12. Start the engine and check for leaks; allow it to reach operating temperature and verify proper operation.

Troubleshooting & FAQ

Q: How do I confirm this kit fits my Volvo Penta engine?
A: Verify your engine model is MD11C or MD11D by checking the engine identification plate. Cross-reference your current gasket part number (876376 or 875553) with the table above to ensure compatibility.

Q: When should I replace the head gasket on my diesel engine?
A: Replace the head gasket during decarbonization service, if you notice coolant leaks, white exhaust smoke, overheating, or loss of compression. Never reuse old gaskets after removing the cylinder head.

Q: What's included in this decarbonizing kit compared to a standard head gasket?
A: A decarbonizing head gasket kit typically includes the head gasket plus additional seals and gaskets needed during a full decarbonization service procedure. This ensures you have all necessary sealing components for proper reassembly.

Q: Do I need special tools to install this gasket kit?
A: Yes, you'll need a torque wrench calibrated to proper specifications, gasket scraper, cylinder head bolt sequence guide, and potentially a straight edge to check for head warping. Professional installation is strongly recommended for diesel engines.

Q: What are signs of head gasket failure on a marine diesel engine?
A: Common symptoms include coolant in the oil (milky appearance), overheating, loss of coolant without visible leaks, white exhaust smoke, rough idle, or loss of power. Address these issues immediately to prevent engine damage.

Q: Is this an OEM part or 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.