Engine Parts

Everything diesel, all in one place. From fuel pumps and injectors to solenoids, filters, fittings and sensors, Simms Diesel supplies the parts that keep diesel engines running strong.

We specialise in high-quality, trade-tested components for utes, trucks, heavy machinery, marine and agricultural diesel systems. Whether you’re after genuine OEM, aftermarket, or hard-to-find legacy units, we’ve got the stock and the know-how.

Trusted by NZ workshops and diesel techs for nearly 100 years. Fast nationwide shipping. Competitive pricing. No fluff.