Engine overhaul kit for Volvo Penta AD31B TAMD31B TMD31B 876969 22389354
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 AD31B, TAMD31B, and TMD31B:
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What is the tightening sequence and torque for the cylinder head on Volvo Penta AD31B, TAMD31B, and TMD31B?
Tighten the cylinder head bolts in stages of:
• 30Nm (22 lbf.ft.)
• 60Nm (44 lbf.ft.)
• 100Nm (73 lbf.ft.)
In the end, angle tighten the bolts by 90 degrees.
All stages must follow the sequence in the picture:
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When should the cylinder head bolts 838775 be replaced on Volvo Penta AD31B, TAMD31B, and TMD31B?
The cylinder head bolts should be replaced when there are signs of elongation, or if elongation cannot be confirmed by checking the "waist" of the bolt. To replace all the cylinder head bolts 838775, 19 pcs are required.
Poseidon Marine offers Recmar® Head bolt for Volvo Penta D30 D40 D31 D41 D300 838775. -
Is there an overhaul kit for the cylinder head for Volvo Penta AD31B, TAMD31B, and TMD31B?
Poseidon Marine offers a cylinder head repair kit that includes:
• Inlet valves 838637
• 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 “early” 31 series, with serial numbers up to 2203116853.
Cylinder Head Rebuild Kit Volvo Penta AQAD31A MD31A TAMD31A 877713
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What is the tightening torque for vital joints on a Volvo Penta AD31B, TAMD31B, and TMD31B?
The tightening torque for vital joints, where not otherwise specified, is:
• 6Nm for M5 bolts
• 10Nm for M6 bolts
• 25Nm for M8 bolts
• 50Nm for M10 bolts
• 80Nm for M12 bolts
• 140Nm for M14 bolts -
What is the piston ring profile and its part number on Volvo Penta AD31B, TAMD31B, and TMD31B? How to install them properly?
Each piston has two compression rings and one oil ring:
• Upper compression ring (A): Keystone shape, molybdenum-coated.
• Second compression ring (B): Chrome-coated.
• Oil scraper ring (C): Install with the opening of the expander opposite the gap in the oil ring.
The piston rings’ reference is 275350.
