Engine overhaul kit for Volvo Penta AQAD41A AQD41A TAMD41A TMD41A 876972 876866
High-quality marine engine spare parts.
Poseidon Marine® Engine rebuilt kit for Volvo Penta marine diesel:
- AQAD41A, AQD41A, TAMD41A, TMD41A
SN 2204141573- and UP
STD size bearings are included
The following parts are included in this kit:
- Big end bearing kit: 876511 (6)
- Main bearing kit: 876515 (6)
- Thrust bearing kit: 876523 (1)
- Piston kit & liner: 876099 (6) (Oil nozzle not included)
- Gasket kit upper and lower: 876774 (1) & 3583787 (1)
- Intercooler gasket kit: 877386 (1)
- Turbo connection gasket: 3582563 (1)
Engine overhaul kit for Volvo Penta AQAD41A AQD41A TAMD41A TMD41A 876972 876866
This product replaces the following manufacturer's part nr:
- Volvo Penta: 876972, 876866
- SLP: ERK-6972
- Poseidon Marine order number: PM876972
Assembly time: 4 days.
The references that are listed here are trademarks that apply to the respective trademark owners. The references are used only for a reference purpose. Our product is compatible with these reference numbers. Please note that our product is an aftermarket product (non-OEM), unless otherwise stated.
Workshop manual for Volvo Penta AQAD41A, AQD41A, TAMD41A, and TMD41A. For further technical details, you may download this workshop manual.
Frequently Asked Questions about Engine overhaul kit for Volvo Penta AQAD41A, AQD41A, TAMD41A, and TMD41A:
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What is the tightening sequence and torque for the cylinder head on Volvo Penta AQAD41A, AQD41A, TAMD41A, and TMD41A?

Tighten the cylinder head bolts in stages of 30Nm (22 lbf.ft.), 60Nm (44 lbf.ft.), and 100Nm (73 lbf.ft.). In the end, angle tighten the bolts by 90 degrees. All stages must follow the sequence of the picture. -
When should the cylinder head bolts 838775 be replaced on Volvo Penta AQAD41A, AQD41A, TAMD41A, and TMD41A?
The cylinder head bolts should be replaced when there are signs of elongation, or it cannot be specified if it is already elongated, by checking the "waist" of the bolt. In order to replace all the cylinder head bolts 838775, 27pcs are required.
Poseidon Marine offers Recmar® Head bolt for Volvo Penta D30 D40 D31 D41 D300 838775 — https://www.poseidonmarine.eu/products/recmar-head-bolt-volvo-penta-d30-d40-d31-d41-d300-838775 -
Is there an overhaul kit for the cylinder head for Volvo Penta AQAD41A, AQD41A, TAMD41A, and TMD41A?
Poseidon Marine offers a cylinder head repair kit that includes inlet valves 838637 and exhaust valves 838638, valve guides 3582561, valve seats 858328 & 858331, and more parts necessary to renew your cylinder head. This repair kit is used on 41A series and early 41B, up to serial number 2204127879.
Cylinder Head Rebuild Kit Volvo Penta TMD41A AQAD41A D41D 877732 — https://www.poseidonmarine.eu/products/cylinder-head-rebuild-kit-volvo-penta-877732
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What is the tightening torque for vital joints on a Volvo Penta AQAD41A, AQD41A, TAMD41A, and TMD41A?
The tightening torque for vital joints, where it is not specified otherwise, is: 6Nm for M5 bolts, 10Nm for M6 bolts, 25Nm for M8 bolts, 50Nm for M10 bolts, 80Nm for M12 bolts, and 140Nm for M14 bolts.
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What is the piston ring profile and its part number on Volvo Penta AQAD41A, AQD41A, TAMD41A, and TMD41A? How to install them properly?
Each piston has two compression rings and one oil ring. The upper compression ring (A) has a keystone shape and is molybdenum-coated. The second compression ring (B) is chrome-coated. Lastly, the oil scrapper ring (C) should be installed with the opening of the expander on the opposite side of the gap in the oil ring. These piston rings’ reference is 275350.
