SKU: 49569352504

876431 Head Decarbonizing Gasket Kit for Volvo Penta MD7A MD7B | JLM Marine

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Description

876431 Head Decarbonizing Gasket Kit for Volvo Penta MD7A MD7B | JLM MarineHead Decarbonizing Gasket Kit for Volvo Penta MD7A MD7B Marine Engine 876431 This Head Decarbonizing Gasket Kit is specifically designed for Volvo Penta MD7A and MD7B marine diesel engines (S N: 35145 and later). It provides all the essential gaskets needed for head decarbonization and maintenance procedures, ensuring proper sealing and engine performance. This kit directly replaces Volvo Penta 876431, 875613, and 876430, as well as aftermarket

Head Decarbonizing Gasket Kit for Volvo Penta MD7A MD7B Marine Engine – 876431

This Head Decarbonizing Gasket Kit is specifically designed for Volvo Penta MD7A and MD7B marine diesel engines (S/N: 35145 and later). It provides all the essential gaskets needed for head decarbonization and maintenance procedures, ensuring proper sealing and engine performance.

This kit directly replaces Volvo Penta 876431, 875613, and 876430, as well as aftermarket equivalents from Crom Marine (121047, 121046) and Orbitrade (21431, 21430), offering broad cross-compatibility for your service needs.

  • Complete gasket kit for head decarbonization procedures
  • Fits Volvo Penta MD7A and MD7B marine diesel engines
  • Replaces multiple OEM and aftermarket part numbers

Part Number Cross-Reference

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

Brand Part Number
Volvo Penta 876431
Volvo Penta 875613
Volvo Penta 876430
Crom Marine 121047
Crom Marine 121046
Orbitrade 21431
Orbitrade 21430

Compatible Engine Models

Confirm your engine model/year in the table below.

Brand Model Notes
Volvo Penta MD7A S/N: 35145 and later
Volvo Penta MD7B S/N: 35145 and later

Technical Specifications

Specification Value
OEM Number 876431
Product Type Head Decarbonizing Gasket Kit
Application Marine Diesel Engine
Compatible Engines Volvo Penta MD7A, MD7B

Package Contents

This package includes:

  • 1 × Head Decarbonizing Gasket Kit (complete set)

Installation Guide

  1. Ensure the engine is completely cool and disconnect the battery before beginning any work.
  2. Remove the cylinder head cover and set aside all fasteners in an organized manner.
  3. Carefully remove the old gaskets from all mating surfaces, ensuring no remnants remain.
  4. Clean all sealing surfaces thoroughly with appropriate solvent and a non-abrasive scraper. Allow surfaces to dry completely.
  5. Inspect the cylinder head and block for cracks, warping, or damage before proceeding.
  6. Position the new gaskets from the kit onto the cleaned surfaces, following the correct orientation.
  7. Reinstall the cylinder head or components, ensuring proper alignment with dowel pins if present.
  8. Torque all fasteners to the manufacturer's specifications in the correct sequence (consult your service manual).
  9. Reinstall the cylinder head cover with the new gasket, tightening fasteners evenly.
  10. Reconnect the battery and perform a visual inspection for proper gasket seating.
  11. Start the engine and allow it to reach operating temperature while monitoring for leaks.
  12. After initial run-in, re-check all fastener torque values as recommended by the manufacturer.

Troubleshooting & FAQ

Q: How do I confirm this gasket kit fits my Volvo Penta engine?
A: Verify that your engine is a MD7A or MD7B model with serial number 35145 or later. Cross-reference your existing part number (876431, 875613, or 876430) with the numbers listed in the Part Number Cross-Reference table above.

Q: What's included in this head decarbonizing gasket kit?
A: This is a complete head decarbonizing gasket kit that includes all necessary gaskets required for head decarbonization procedures on MD7A and MD7B engines. The kit provides all sealing components needed for proper reassembly.

Q: When should I replace the head gaskets on my Volvo Penta MD7?
A: Replace head gaskets during decarbonization services, when performing cylinder head removal for any reason, or if you notice signs of gasket failure such as coolant leaks, oil leaks, overheating, or loss of compression.

Q: Can I reuse the old gaskets if they look intact?
A: No, gaskets should never be reused. Once compressed and torqued, gaskets lose their sealing ability and may cause leaks or engine damage if reinstalled.

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.
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: 49569352504

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Caylee T.
Birmingham, US
★★★★★ 5
Well holy moly!
Format: Kindle
Holy moly that story definitely had me hooked! Kieran was definitely a character that I immediately adored. She has obviously had to deal with a butt load of too high expectations from her father (who is 🤬).. She has been helpless when it came to finding out her affinity with so many years of no answers & perceived failure. When Ronan, gives her a small inkling of hope that she be a Beast Tamer, she jumps into it. But again she doesn’t seem to fit. But when she runs into Gabe again, she ends up helping him & rethinking her life in Alfemir. And when the opportunity comes she decides leaving is the best option. But when Ronan demands he comes with her & then the random appearance of Bastian, she is feeling very overwhelmed. After she chooses to fall with them, they land on earth exactly where Gabe is located only to run into Steele who is a person that I was finding hard to like. After training, she eventually finds out she does have an affinity & it’s one that no longer exist & is incredibly powerful but also has a prophecy attached to it. I feel incredibly bad for her on she learns about the prophecy & Steele’s connection with it too. But that ending, with the battle scene & Niz….yeah definitely was not expecting that but hello I am all here for it too! Absolutely amazing start of a series & I for sure will be waiting for the next one to come out. Amazing job!
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Reviewed in the United States on September 26, 2024
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BobbiJo- SpicyBookswBB
Waukegan, US
★★★★★ 5
So good!
Format: Kindle
Wings of Stars was a fantastic first book to a new series. It grabbed me in its clutches within the first chapter and kept ahold of me. This new world of M Sinclair and RL Caulder’s is all about angels and mythical creatures. It’s full of drama from all points. From Kieran’s awful home life to keeping the stars alive and everything in between. Kieran is our FMC and despite everything she keeps her spirit and defiance. Keeping to their norm, there is a group of guys for our FMC but they definitely aren’t established yet, and not fully cemented yet into being a group rather than her choosing between them. Ronan is so sweet and gives off Daddy vibes Gabe is also sweet and wants the best of everything for Kieran and will defend her against anyone Bastian is slightly unhinged but I loved him immediately Steele is a jerk… just as you find redeeming qualities, he screws up again… but yet I still want him to redeem himself. There’s another one… but if I gave his name I would be spoiling a plot twist so you will just have to find out yourself… but you’ll love him as much as I do. This is a slow burn but the little bit of spice we do get is hot, especially with the dirty talk.
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Reviewed in the United States on February 19, 2024
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Gabby C.
Waukegan, US
★★★★★ 5
Angels and the Fallen — Breathtaking Start
Format: Kindle
This book was EVERYTHING I expected it to be and more. Leave to R.L. Caulder and M. Sinclair to give us yet another amazing book! Kieran and her guys hooked me from the very beginning and did not let go. Found family is one of my favorite tropes and it was done so well in this book. Couple that along with an FMC trying to find her place in the world and I was practically drooling over this book. The world building, the conflict, the wyverin sidekick — it all was done so well that it felt fresh and real. Each love interest felt real and unique in their own ways. I felt connected to each one and like they were truly different people. I love that so much in a book and these two authors never miss with their love interests. Multi POV, Reverse harem, who did this to you, and a magical world highlighting the angels and the fallen. This book has everything and it does it so well. Big thank you to R.L. Caulder and M. Sinclair for the arc copy! I cannot wait for book 2!
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Reviewed in the United States on February 20, 2024
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Chrystal
Phoenix, US
★★★★★ 4
A new take 🤔
Format: Kindle
I’m not going to go into what this book is about — by now you e already read the synopsis and have an idea — but I will give a couple of insights. Definitely a different take on angels and their fall; I like it. This is an interesting start to a new series - YES, this does end on a cliffhanger so be prepared for that. I’m eager for the next book (and hopefully the last in this series — sometimes the author(s) will switch it up depending on how the story flows for them) in this series. I’m hoping that a certain male character redeems himself because he’s a dick that will make the meaning of mixed signals jealous lol. You ever watch that old movie — I think it’s call Mommy Dearest? — yea, let’s switch that up to daddy. That man would make a perfect husband to mommy dearest. I recommend this book because while these authors are well known for their cliffhangers, they are also well known for putting out good stories.
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Reviewed in the United States on February 19, 2024
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M Weidner
Boise, US
★★★★★ 3
Liked it
Format: Kindle
I liked the worlds and the characters. The prophesy is confusing in that I would think, since all worlds ore on a path to destruction, the angels would want their world to be saved. I am sure there is more evil that will be revealed as the series proceeds. I dislike a prolonged “poor little me” trope and the main character has moved past that, thankfully, and began to show a fierce attitude as the novel progressed. The last portion of the novel had some great action. It’s worth reading, just be patient with a slow start.
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Reviewed in the United States on February 14, 2024

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