# 3852877 Ring | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta ring 0.118 inch thick, from the Marine Propulsion group, listed for 14 applications across the SX family. It is part of a graded set covering 0.096 to 0.124 inch in 0.002 inch steps whose published weights do not rise with thickness, so thickness is the only reliable identifier.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta SX-RT2
-   Volvo Penta SX-S
-   Volvo Penta SX-ST
-   Volvo Penta SX-C
-   Volvo Penta SX-C1
-   Volvo Penta SX-C2
-   Volvo Penta SX-CT
-   Volvo Penta SX-CT1
-   Volvo Penta SX-CT2
-   Volvo Penta SX-M
-   Volvo Penta SX-M1
-   Volvo Penta SX-MTD
-   Volvo Penta SX-MTD3
-   Volvo Penta SX-RT1

-   **Engine Family:** SX

## ⚙️ Key Features

-   0.118 inch thick
-   14 SX family applications
-   Part of a graded set from 0.096 to 0.124 inch

## 🔌 Function

Occupies a measured axial gap to bring clearance or preload to specification.

## ⚠️ Common Signs of Failure

-   Measured clearance or preload outside the specified range
-   Noise or roughness from an assembly set too tight or too loose
-   Ring worn stepped, scored or polished
-   Displaced wear pattern on the mating gear or bearing

## 🛠️ Service Notes

-   The steps either side are 3852876 at 0.116 inch and 3852878 at 0.120 inch
-   Its published weight is lower than that of several thinner rings in the set, so weight is no check
-   Measure the assembly and calculate the required thickness

## 📦 Condition

-   Genuine Volvo Penta part
-   Brand new
-   Supplied in original or equivalent packaging

## Details

- **Price:** 37.85 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 37.85 AUD | In stock |

## Images

- 3852877 Ring | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3852877-ring-genuine-volvo-penta)
> Updated: 2026-08-22