3858078 Seal | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta seal from the Marine Propulsion group, weighing 0.005 kg and listed for 44 applications across the AD, D, TSK, TMD, DP and DPX series. It supersedes part number 854532, which was catalogued earlier as an o-ring.

🚤 Compatibility

• Engine Family: AD, D, TSK, TMD, DP, DPX, HS, SP, S, TAMD

Full model list at the end of this description.

⚙️ Key Features

• Listed for 44 applications across six series
• 0.005 kg
• Supersedes 854532, earlier catalogued as an o-ring
• From the Marine Propulsion group

🔌 Function

Closes the joint it sits in against fluid escape, holding the seal as the parts either side move and warm through.

⚠️ Common Signs of Failure

• Weeping or a wet film at the joint
• Fluid level dropping slowly with no obvious leak
• Seal nipped, split or flattened on removal
• Seal hard, glazed or crumbling
• Seat or groove scored where the seal beds

🛠️ Service Notes

• Cap 3858079, o-ring 3858073 and filter 3858076 share the same 44 applications and are usually renewed together
• Check the sealing land for scoring before fitting - a damaged land will take out the new seal too

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 3858078 → Supersedes 854532

OEM / Related Numbers

• 854532 earlier number superseded by this part

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta TSK DP-E, TSK DP-S, TSK DPX-C, TSK SX-M, TSK SX-MAC, TSK SX-MACLT, TSK SX-MDA, TSK SX-MDB, TSK SX-MHP, TSK SX-MLT
• Volvo Penta TAMD31L, TAMD31L-A, TAMD31M, TAMD31M-A, TAMD31P, TAMD31P-A, TAMD31S, TAMD31D, TAMD31P-B
• Volvo Penta AD31D, AD31D-A, AD31L-A, AD31P-A, AD31XD
• Volvo Penta TAMD41H-A, TAMD41H-B, TAMD41P-A, TAMD41P, TAMD41P-B
• Volvo Penta DP-C1, DP-D1, DP-E
• Volvo Penta AD41L-A, AD41P-A
• Volvo Penta Shield, Shield for DPX
• Volvo Penta TMD31D, TMD31L-A
• Volvo Penta D41L-A
• Volvo Penta DPX-R
• Volvo Penta HS1A
• Volvo Penta SP-C1
• Volvo Penta TAMD42B
• Volvo Penta TMD41L-A