# 4058308 3912145CN Cummins 6CTA 8.3 & QSM11 Heat Exchanger 4058308 / 3912145CN - 5x27 Replacement Part

Replacement Heat Exchanger for "C" series Cummins 3912145 & 4058308

4058308 Heat Exchanger for the Cummins 6C 300 HP

5" Diameter x 27" long shell Standard copper nickel (CUNI) core. Raw Water Inlet/Outlet: 1.75".

Replaces Sendure 9656-1-7 and Cummins 3912145.and Sen-Dure #12610-1-7.

Replacement for Cummins part #3912145

This is a Mr Cool (USA) part MRC3912145CN.

## Details

- **Price:** 3960.0 AUD
- **Vendor:** Mr Cool
- **Tags:** Sawley’s AAM Aftermarket – Cooling Systems Mr Cool | Marine Heat Exchangers & Kits

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 3960.00 AUD | In stock |

## Images

- 4058308 3912145CN Cummins 6CTA 8.3 & QSM11 Heat Exchanger 4058308 / 3912145CN - 5x27 Replacement Part
- 4058308 3912145CN Cummins 6CTA 8.3 & QSM11 Heat Exchanger 4058308 / 3912145CN - 5x27 Replacement Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/4058308-3912145cn-cummins-6cta-8-3-qsm11-heat-exchanger-4058308-3912145cn-5x27-replacement-part)
> Updated: 2026-06-23