1699845 O-Ring | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta O-ring, sealing a joint against fluid leakage. It supersedes part number 1696201 and is listed for TWD, TD and TAD industrial and generator-set diesel engines. O-rings are single-use items and should be renewed whenever the joint is disturbed.

🚤 Compatibility

Typically suits:

• Volvo Penta TWD1230ME
• Volvo Penta TWD710P
• Volvo Penta TWD710PB
• Volvo Penta TWD1031VE
• Volvo Penta TD100G
• Volvo Penta TD1030VE
• Volvo Penta TAD730P
• Volvo Penta TAD1030V
• Volvo Penta TAD1030VE

• Engine Family: TWD, TD, TAD

⚙️ Key Features

• Fuel-resistant injection-pump O-ring
• Designed for diesel fuel and injection-pump operating temperatures
• Used only at the catalogued pump position
• Prevents fuel leakage and air entry
• Should be renewed whenever the associated component is removed
• Engine type: Pump-specific Volvo Penta diesel applications

🔌 Function

The O-ring sits in a groove and is compressed on assembly, deforming to fill the gap between two mating surfaces and block leakage. Its elasticity is what maintains sealing contact as pressure and temperature vary.

⚠️ Common Signs of Failure

• Fluid weeping, seeping or dripping at the joint
• Hardening, cracking or loss of elasticity on removal
• Flattening or permanent set so the ring no longer springs back
• Swelling or chemical attack from the fluid it seals
• Nicks, cuts or twisting from incorrect installation

🛠️ Service Notes

• Always fit a new O-ring — never refit one that has been removed, as it has already taken a set in its groove
• Clean the groove and both sealing faces and check them for nicks, scoring and corrosion pitting; a damaged groove will leak however good the new seal is
• Smear the ring with a little clean lubricant compatible with the fluid it seals, then roll it into place by hand so it sits untwisted and fully in its groove
• Never lever an O-ring over a sharp edge or thread with a screwdriver; use a blunt plastic tool and protect any edge the ring has to pass
• Assemble the joint squarely and tighten to the figure and sequence given in the workshop manual for your engine — over-tightening extrudes the ring and causes the very leak you were curing

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 1699845 → Supersedes 1696201

OEM / Related Numbers

• 1696201 earlier number superseded by this part

📦 Condition

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