3850852 Bearing | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta bearing for the rear position, from the Marine Propulsion group, weighing 0.506 kg and listed for 41 applications across the AD, D, TMD, DPI, DP and HS series. Rear is the deciding detail, as the front position takes a different bearing. It supersedes part number 853949, catalogued earlier as a roller bearing.

🚤 Compatibility

• Engine Family: AD, D, TMD, DPI, DP, HS, TAMD, KAD, KAMD
• HP Range: 150-440 HP

Full model list at the end of this description.

⚙️ Key Features

• Rear position
• Supersedes 853949, catalogued earlier as a roller bearing
• 0.506 kg
• Listed for 41 applications across six series

🔌 Function

Carries the shaft load at the rear position and holds the shaft in alignment.

⚠️ Common Signs of Failure

• Growl, rumble or whine rising with shaft speed
• Roughness or notchiness turning the shaft by hand
• Endfloat or radial play beyond specification
• Races pitted, flaked or blued on strip-down
• Metal glitter in the drive oil

🛠️ Service Notes

• Order by position, since the rear bearing is not interchangeable with the front
• Renew the seals and check the shim stack while the assembly is apart
• Set preload or endfloat to specification after fitting

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 3850852 → Supersedes 853949 → Supersedes 183668

OEM / Related Numbers

• 853949 earlier number superseded by this part
• 183668 earlier number superseded by this part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 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 D4-150A-G, D4-230A-G, D4-270A-G, D4-320A-G, D4-300A-G
• Volvo Penta D6-300A-G, D6-340A-G, D6-380A-G, D6-400A-G, D6-440A-G
• Volvo Penta TAMD41H-A, TAMD41H-B, TAMD41P-A, TAMD41P, TAMD41P-B
• Volvo Penta AD41L-A, AD41P-A
• Volvo Penta TMD31D, TMD31L-A
• Volvo Penta D41L-A
• Volvo Penta DP-D1
• Volvo Penta DPI-A
• Volvo Penta HS1A
• Volvo Penta KAD42B
• Volvo Penta KAMD42B
• Volvo Penta TAMD42B
• Volvo Penta TMD41L-A