# 181574 Ball Bearing | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Ball Bearing - Part Number: 181574

  

This genuine Volvo Penta ball bearing is a precision rolling-element or raceway component used in the engine circulation-pump bearing position. 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. Deep-groove bearing designation 6302-RS/6302-RS1. Approximately 42 mm outside diameter. In service, it supports the circulation-pump shaft and maintains impeller and seal alignment. Selection must be confirmed by OEM part number 181574, the exact engine/product model, serial number and installed configuration.

  

⚙️ Key Features

  

• Genuine Volvo Penta OEM ball bearing

• OEM part number 181574

• Documented application: engine circulation-pump bearing position

• Validated family: Volvo Penta MD21B and related legacy diesel cooling systems

• Deep-groove bearing designation 6302-RS/6302-RS1

• Approximately 42 mm outside diameter

• Primary function: Supports the circulation-pump shaft and maintains impeller and seal 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:

  

• 181574 (current/original OEM service reference)

  

OEM / Related Numbers:

  

• 181574

• 818099 earlier OEM reference

  

Aftermarket / Verified Equivalents:

  

• SKF/FAG/NTN 6302-RS1 configuration

  

🚤 Compatibility

  

Commonly used on:

  

• engine circulation-pump bearing position

  

Typically suits:

  

• Engine / product models:

• MD21B

• Engine / Application Family: Volvo Penta MD21B and related legacy diesel cooling systems

• Serial / Configuration Note: Confirm part number 181574 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 circulation-pump shaft and maintains impeller and seal 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:** 105.62 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 105.62 AUD | In stock |

## Images

- 181574 Ball Bearing | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/181574-ball-bearing-genuine-volvo-penta)
> Updated: 2026-07-29