# Yanmar 128890-13530/ 128370-12530/128397-13530 SS Exhaust Elbow Replacement HDI GMS (17mm water inlet)

Yanmar 128370-13530, 128397-13530 SS Exhaust Mixing Elbow Replacement HDI GMS

Cast 316 Stainless Steel Mixing Elbow suits Yanmar 2YM15, 2GM20F, 3YM20 / 3GM30 / 3YM30 (SN: E10518 prior)

Includes Gasket that Replaces Yanmar 128370-13201

  

Water Inlet Size: **17mm\*** (11/16") \* Note there is a 22mm version ( YMS)

Exhaust Outlet: 50mm (2").

-   This HDI Marine item replaces Yanmar PN 128890-13530 / 128397-13530
-   Precision CNC machined investment cast 316 stainless steel
-   Flange thickness is 45% thicker than OEM. Yanmar .220 (5.7mm) HDI Marine .320 (8.2mm)
-   Tube thickness is 56% thicker than OEM. Yanmar .062 (1.5mm) HDI Marine .097 (2.5mm)
-   Product weighs 2.5 lbs (1.1kg)
-   Shipping weight is 3.5 lbs (1.6kg)

This is a HDI (USA) Marine Part HDI GMS.

## Details

- **Price:** 415.0 AUD
- **Vendor:** HDI Marine
- **Tags:** Sawley’s AAM Aftermarket – Exhaust Elbows Mixers & Risers – Yanmar HDI | Marine Exhaust Elbows Risers & Mixing Elbows

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 415.00 AUD | In stock |

## Images

- Yanmar 128890-13530/ 128370-12530/128397-13530 SS Exhaust Elbow Replacement HDI GMS (17mm water inlet)
- Yanmar 128890-13530/ 128370-12530/128397-13530 SS Exhaust Elbow Replacement HDI GMS (17mm water inlet)
- Yanmar 128890-13530/ 128370-12530/128397-13530 SS Exhaust Elbow Replacement HDI GMS (17mm water inlet)

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/yanmar-128890-13530-128370-12530-128397-13530-ss-exhaust-elbow-replacement-hdi-gms-17mm-water-inlet)
> Updated: 2026-06-23