925258 O-Ring | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta o-ring supplied within the gasket kit, listed for 318 applications across the D, AQ, MD, TMD, AD and AQAD series. It supersedes part numbers 21419026 and 23683952.

🚤 Compatibility

• Engine Family: D, AQ, MD, TMD, AD, AQAD, TSK, TID, BB, THD, TD, TAMD, MS, B, IPS, DP, SP, DH, S, AQD, MB, KAD, KAMD
• HP Range: 75-480 HP

Full model list at the end of this description.

⚙️ Key Features

• Also supplied in the gasket kit
• Supersedes 21419026 and 23683952
• 318 applications across six engine series
• Quantity varies by assembly, most commonly one

📋 Kit Contents

• Included in gasket kit.

🔌 Function

Seals a joint between two components, the rubber section compressing to close the gap.

⚠️ Common Signs of Failure

• Seepage at the joint the ring seals
• Ring hardened, flattened or split on removal
• Joint that weeps again shortly after retightening
• Staining or residue tracking down from the joint face

🛠️ Service Notes

• Check the gasket kit first, since this ring is part of it

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 925258 → Supersedes 21419026

Aftermarket / Verified Equivalents

• SLP: OR-258

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D6-330D-E, D6-370D-E, D6-370D-B, D6-330D-B, D6-330A-F, D6-370A-F, D6-370D-A, D6-330D-C, D6-370D-C, D6-330D-D, D6-370D-D, D6-330D-F, D6-370D-F, D6-300A-F, D6-300D-F, D6-300I-F, D6-310D-B, D6-310D-D, D6-310D-C, D6-310D-E, D6-340I-G, D6-380I-G, D6-440I-G, D6-480I-G, D6-300D-G, D6-340D-G, D6-380D-G, D6-440D-G, D6-480D-G, D6-300I-G, D6-330I-F, D6-370I-F, D6-435D-A, D6-435D-D, D6-435D-E, D6-435D-F, D6-400A-F, D6-435D-C, D6-435I-F
• Volvo Penta 100S, 110S, 740B, 8.1IPSCE-MF, 8.1IPSCE-P, 8.1IPSCE-Q, 500A, 501A, 501B, 570A, 572A, 740A, 430A, 430B, 431A, 431B, 432A, 434A, 231LB, 251A, 271LB, 275A, 280B, 285A, 290A, 290DP, 570, 500B, 500, 430
• Volvo Penta D4-260A-F, D4-260D-B, D4-260D-C, D4-260D-D, D4-260D-E, D4-260D-F, D4-260I-F, D4-300A-F, D4-300D-A, D4-300D-C, D4-300D-D, D4-300D-E, D4-300D-F, D4-180I-F, D4-225I-F, D4-300I-F, D4-225A-F, D4-175I-G, D4-230I-G, D4-270I-G, D4-320I-G, D4-300I-G, D4-145I-G, D4-175 VG
• Volvo Penta D13C3-B MH, D13C1-B MH, D13C4-B MH, D13C2-B MP, D13C1-A MP, D13C2-A MP, D13C3-A MP, D13C4-A MP, D13B-E MH, D13B-E MH (FE), D13B-N MH, D13B-N MH (FE), D13C4-B MP, D13C5-B MP, D13C6-A MP, D13C1-A MH, D13C2-A MH, D13C5-A MP, D13C7-B MP, D13C8-B MP, D13C9-A MP
• Volvo Penta D3-110I-H, D3-140A-H, D3-170A-H, D3-200A-H, D3-220A-H, D3-150I-H, D3-170I-H, D3-200I-H, D3-220I-H, D3-140I-H
• Volvo Penta DP-C, DP-C1, DP-D, DP-D1, DP-E, DP-G, DP-A, DP-A2, DP-B, DP-B1
• Volvo Penta D8A5-A MH, D8A6-A MH, D8A1-A MP, D8A2-A MP, D8A3-A MP, D8A4-A MP, D8A7-A MP
• Volvo Penta TD61A, TD61ACE, TD61AG, TD61AGP, TD61AP, TD61APB, TD61AW
• Volvo Penta D11C1-A MP, D11C3-A MP, D11B3-A MP, D11B4-A MP, D11B2-A MP, D11B1-A MP
• Volvo Penta IPS-A, IPS-B, IPS-F, IPS-C, IPS-D, IPS-E
• Volvo Penta Shield, Shield for 290, Shield for 740A, Shield for SP, Shield with by-pass, Shield with power trim
• Volvo Penta TD71ACE, TD71AG, TD71AGP, TD71AP, TD71APB, TD71AW
• Volvo Penta AD31, AD31B, AD31D, AD31D-A, AD31XD
• Volvo Penta AQ225D, AQ225E, AQ225B, AQ225C, AQ225F
• Volvo Penta AQ130C, AQ130D, AQ130A, AQ130B
• Volvo Penta AQ131A, AQ131B, AQ131C, AQ131D
• Volvo Penta AQ200D, AQ200C, AQ200B, AQ200F
• Volvo Penta AQ271A, AQ271C, AQ271B, AQ271D
• Volvo Penta BB225A, BB225AV, BB225B, BB225C
• Volvo Penta DH10A, DH10A 285, DH10A 360, DH10A Rail
• Volvo Penta SP-C, SP-E, SP-A2, SP-C1
• Volvo Penta TAMD31M, TAMD31A, TAMD31B, TAMD31D
• Volvo Penta TID71AG, TID71AGP, TID71AP, TID71APB
• Volvo Penta AD41B, AD41A, AD41BJ
• Volvo Penta AQ151A, AQ151B, AQ151C
• Volvo Penta AQ170B, AQ170C, AQ170A
• Volvo Penta BB115A, BB115B, BB115C
• Volvo Penta BB170B, BB170C, BB170A
• Volvo Penta BB260AV, BB260B, BB260C
• Volvo Penta MB20A, MB20B, MB20C
• Volvo Penta THD102KB, THD102KD, THD102K-KB
• Volvo Penta TMD31A, TMD31B, TMD31D
• Volvo Penta TMD40A, TMD40B, TMD40C
• Volvo Penta AQ115A, AQ115B
• Volvo Penta AQ171A, AQ171C
• Volvo Penta AQ205LB, AQ205A
• Volvo Penta AQ231A, AQ231B
• Volvo Penta AQ255A, AQ255B
• Volvo Penta AQ260A, AQ260B
• Volvo Penta AQ311A, AQ311B
• Volvo Penta AQAD40B, AQAD40A
• Volvo Penta AQD21A, AQD21B
• Volvo Penta IPS10-A, IPS10-B
• Volvo Penta KAD42A, KAD42B
• Volvo Penta MD21B, MD21A
• Volvo Penta MS3B, MS3C
• Volvo Penta MS4B, MS4A
• Volvo Penta TAMD40A, TAMD40B
• Volvo Penta TAMD41B, TAMD41P
• Volvo Penta TD610M, TD610V
• Volvo Penta TD630ME, TD630VE
• Volvo Penta TID61AG, TID61AGP
• Volvo Penta AD30A
• Volvo Penta AD40B
• Volvo Penta AQ125B
• Volvo Penta AQ145B
• Volvo Penta AQ165A
• Volvo Penta AQ175A
• Volvo Penta AQ190A
• Volvo Penta AQ211A
• Volvo Penta AQ240A
• Volvo Penta AQ290A
• Volvo Penta AQAD30A
• Volvo Penta AQD40A
• Volvo Penta B20
• Volvo Penta BB140A
• Volvo Penta BB145A
• Volvo Penta BB165A
• Volvo Penta BB740A
• Volvo Penta D2-75B
• Volvo Penta D41B
• Volvo Penta KAMD42B
• Volvo Penta MD30A
• Volvo Penta MD31A
• Volvo Penta MD40A
• Volvo Penta TAMD30A
• Volvo Penta TAMD42B
• Volvo Penta TD30A
• Volvo Penta TD31ACE
• Volvo Penta TD40A
• Volvo Penta TD640VE
• Volvo Penta TMD30A
• Volvo Penta TMD41B
• Volvo Penta TSK DP-E