# 183374 Ball Bearing | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Ball Bearing - Part Number: 183374

  

This genuine Volvo Penta ball bearing is a precision rolling-element or raceway component used in the upper vertical-shaft bearing position in the lower gear. It is manufactured to the original Volvo dimensional, material and interface requirements so the serviced assembly retains its designed alignment, sealing, load capacity and operating reliability. In service, it supports the upper end of the lower-unit vertical shaft and maintains bevel-gear alignment. Selection must be confirmed by OEM part number 183374, the exact engine/product model, serial number and installed configuration.

  

⚙️ Key Features

  

• Genuine Volvo Penta OEM ball bearing

• OEM part number 183374

• Documented application: upper vertical-shaft bearing position in the lower gear

• Validated family: Volvo Penta AQ270-AQ290, SP and DP sterndrive

• Primary function: Supports the upper end of the lower-unit vertical shaft and maintains bevel-gear alignment.

• Measure shaft and housing fits, renew contaminated lubricant and related seals, and install using force only through the race being fitted. Set preload or end float to the applicable Volvo Penta specification.

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 183374 (current/original OEM service reference)

  

OEM / Related Numbers:

  

• 183374

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• upper vertical-shaft bearing position in the lower gear

  

Typically suits:

  

• Engine / product models:

• AQ270

• AQ270T

• AQ275

• AQ280

• AQ285

• AQ290

• SP-A

• DP-A

• DP-B

• KAD32PA sterndrive installations

• Engine / Application Family: Volvo Penta AQ270-AQ290, SP and DP sterndrive

• Serial / Configuration Note: Confirm part number 183374 against the exact drive, transmission or engine serial number, bearing location and installed shaft/housing arrangement; adjacent gear ratios and production variants may use different race dimensions or preload components.

  

🔌 Function

  

Supports the upper end of the lower-unit vertical shaft and maintains bevel-gear alignment. Measure shaft and housing fits, renew contaminated lubricant and related seals, and install using force only through the race being fitted. Set preload or end float to the applicable Volvo Penta specification.

  

Common signs of failure:

  

• Rumbling, growling, clicking or cyclic rotational noise

• Excessive radial or axial play measured at the supported shaft

• Localised heat, lubricant discolouration or burnt odour at the bearing position

• Pitting, brinelling, flaking, corrosion or scoring on rollers and raceways

• Vibration, shaft run-out or repeated seal/gear wear caused by loss of alignment

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 205.83 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 205.83 AUD | In stock |

## Images

- 183374 Ball Bearing | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/183374-ball-bearing-genuine-volvo-penta)
> Updated: 2026-07-29