# 21277458 Cam | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta D11 Seawater-Pump Cam - Part Number: 21277458

  

Genuine Volvo Penta replaceable cam used inside the flexible-impeller seawater pump on D11 marine engines. The cam compresses the impeller vanes through part of each revolution, creating the displacement needed to draw and discharge raw water.

  

⚙️ Key Features

  

• Genuine Volvo Penta seawater-pump cam

• Used with Volvo Penta seawater pump 21219723

• Controls flexible-impeller vane compression

• Documented JMP replacement cam set available

• Inspect screws, cover, wear surfaces and impeller together

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 21277458 (current listed OEM reference)

  

OEM / Related Numbers:

  

• 21219723 - associated seawater pump

• 21277456 - associated pump/cooling cover

• 21277478 - associated cross-recessed screw

  

Aftermarket / Verified Equivalents:

  

• JMP / Marine Energy Systems: CAMSET0038

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta D11 marine seawater-circulation pump

  

Typically suits:

  

• Engine models:

• D11 marine engine product numbers fitted with seawater pump 21219723

  

• Serial / Specification Control: Seawater-pump number and engine serial must match; cams from visually similar pumps may have different height or curvature.

• HP Range: D11 marine rating dependent

• Engine Type: Volvo Penta D11 inline-six common-rail marine diesel

• Year Range: D11 pump and engine-serial controlled

  

🔌 Function

  

Deflects the impeller vanes to create suction and discharge chambers inside the seawater pump.

  

Common signs of failure:

  

• Reduced raw-water flow or overheating

• Deep grooves or erosion on the cam surface

• Impeller vanes failing to flex correctly

• Cavitation damage or corrosion

• Loose or damaged cam retaining screws

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 394.77 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 394.77 AUD | In stock |

## Images

- 21277458 Cam | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21277458-cam-genuine-volvo-penta)
> Updated: 2026-08-02