955994 O-Ring | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta o-ring of the early type, weighing 0.023 kg and listed for 113 applications across the D, AQD, TMD, TWD, TID families and IPS installations. It supersedes 3551556.

🚤 Compatibility

• Engine Family: D, AQD, TMD, TWD, TD, IPS, MD, TAMD, TAD, TID
• HP Range: 175-480 HP

Full model list at the end of this description.

⚙️ Key Features

• Early type
• 0.023 kg
• Supersedes 3551556
• 113 applications, including IPS installations
• Quantity varies by assembly, most commonly two

🔌 Function

Seals the joint between two faces, squeezed into its groove to hold pressure and keep fluid where it belongs.

⚠️ Common Signs of Failure

• Weeping or dripping at the sealed joint
• Ring hardened, flattened or gone shiny
• Nicks or a nibbled edge from assembly
• Swelling or softening from the wrong fluid
• Pressure loss at the seal

🛠️ Service Notes

• This is the early-type ring - o-ring 955995 is catalogued as the late type, so confirm which build the engine is

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 955994 → Supersedes 3551556

OEM / Related Numbers

• 3551556 earlier number superseded by this part

Aftermarket / Verified Equivalents

• SLP: OR-994

📦 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, D6-370D-A, D6-330D-C, D6-370D-C, D6-330D-D, D6-370D-D, D6-330D-F, D6-370D-F, D6-300D-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, D6-435D-A, D6-435D-D, D6-435D-E, D6-435D-F, D6-435D-C
• Volvo Penta D4-260D-B, D4-260D-C, D4-260D-D, D4-260D-E, D4-260D-F, D4-300D-A, D4-300D-C, D4-300D-D, D4-300D-E, D4-300D-F, D4-175I-G, D4-230I-G, D4-270I-G, D4-320I-G, D4-300I-G
• Volvo Penta D13C2-B MP, D13C2-A MP, D13C4-A MP, D13B-L MP, D13B-G MP, D13B-K MP, D13B-C MP, D13C6-A MP, D13C4-B MP, D13C5-B MP, D13C5-A MP, D13C8-B MP
• Volvo Penta D11C2-A MP, D11C4-A MP, D11B4-A MP, D11B2-A MP, D11A-C MP, D11A-D MP, D11A-E MP
• Volvo Penta IPS-A, IPS-B, IPS-C, IPS-D, IPS-E, IPS-F
• Volvo Penta D8A2-A MP, D8A4-A MP, D8A6-A MH, D8A8-A MP
• Volvo Penta TAMD70B, TAMD70E, TAMD70C, TAMD70D
• Volvo Penta AQD70B, AQD70D, AQD70C
• Volvo Penta IPS2-C, IPS2-A, IPS2-B
• Volvo Penta 8.1IPSCE-MF, 8.1IPSCE-P, 8.1IPSCE-Q
• Volvo Penta TD70G, TD70B, TD70G-83
• Volvo Penta IPS10-A, IPS10-B
• Volvo Penta IPS15-B, IPS15-A
• Volvo Penta IPS3-C, IPS3-A
• Volvo Penta MD70B, MD70C
• Volvo Penta TAD1241VE, TAD1241-42VE
• Volvo Penta TAD1250VE, TAD1250-52VE
• Volvo Penta TMD70C, TMD70B
• Volvo Penta D70B
• Volvo Penta IPS20-D
• Volvo Penta IPS30-D
• Volvo Penta TAD1242VE
• Volvo Penta TAD1251VE
• Volvo Penta TAD1252VE
• Volvo Penta TID70G
• Volvo Penta TWD1240VE