3840474 Adjusting Washer | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta adjusting washer 2.85 mm thick, from the Marine Propulsion group, weighing 25 grams and listed for 35 applications across IPS and D families. It supersedes part number 3593894. It is one of four thicknesses here - 2.85 mm, 2.90 mm in 3840475, 3.00 mm in 3840476 and 3.05 mm in 3840477 - and the published weights do not follow the thickness, so order strictly by thickness.

🚤 Compatibility

• Engine Family: IPS, D

Full model list at the end of this description.

⚙️ Key Features

• 2.85 mm thick
• 25 grams
• 35 applications across IPS and D families
• Supersedes 3593894
• One of four thicknesses from 2.85 mm to 3.05 mm

🔌 Function

Shims the assembly to its specified clearance or preload during setting up.

⚠️ Common Signs of Failure

• Assembly noisy or rough because clearance is out of specification
• Excess play or, at the other extreme, binding and heat
• Washer face fretted, dished or brinelled
• Bearings showing uneven wear pattern on strip-down

🛠️ Service Notes

• Measure the required shim thickness during assembly rather than reusing the old washer size
• Ignore the published weights when choosing between 3840474, 3840475, 3840476 and 3840477 - they do not track thickness
• Check the old washer for wear before using it as a reference dimension

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 3840474 → Supersedes 3593894

OEM / Related Numbers

• 3593894 earlier number superseded by this part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 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, D13C7-B 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 D8A2-A MP, D8A4-A MP, D8A8-A MP
• Volvo Penta IPS15-C, IPS15-B, IPS15-A
• Volvo Penta IPS2-C, IPS2-A, IPS2-B
• Volvo Penta IPS20-D, IPS20-E
• Volvo Penta IPS3-C, IPS3-A
• Volvo Penta IPS30-E, IPS30-D