Frequently Asked Questions
Straight answers about diesel injector repair, testing, warranties and how our nationwide courier service works.
Where is NKD Injectors located?
Our workshop is at 360 Van Der Hoff Rd, Hermanstad, Pretoria, 0082 — we recently moved here from our old premises in Wonderboom South. Local customers can drop injectors off; everyone else uses our courier service — we work with customers across all of South Africa.
How does the nationwide courier service work?
Message us on WhatsApp first with your vehicle details and symptoms. Then courier your injectors to our Pretoria workshop. We bench-test them, send you a quote together with the test results, and once you approve, we do the work and courier everything back to you with a tracking number.
Is delivery really free?
Yes — delivery is free anywhere in South Africa, and every shipment comes with a tracking number.
Do I get proof that my injectors were actually fixed?
Yes — every job comes with a test report. Injectors are tested on our bench before and after the work, so you can see the measured results, not just take our word for it.
What warranty do reconditioned injectors carry?
Reconditioned injectors come with a 6-month warranty, and new washers are included with every reconditioned injector.
How much does injector testing cost?
Testing is charged per injector — R150 each. Confirm current pricing on WhatsApp when you book, and we'll also confirm the courier details if you're sending them in.
Which brands and systems do you work on?
We work on diesel injectors across the major brands — Bosch, Delphi, Denso, Stanadyne, Zexel and Yanmar — covering both older mechanical injectors and modern common-rail systems.
Do you sell injectors, or only repair them?
Both. We recondition your own injectors, and we also supply reconditioned exchange units and brand-new injectors on request, couriered anywhere in South Africa.
What symptoms suggest my injectors need attention?
Common signs are loss of power, black smoke, hard starting, rough idling and misfires. Those symptoms can have other causes too, which is why we test before quoting — the test report shows exactly which injectors are out of spec.
Do you work with workshops and fleet operators?
Yes — workshops and fleets around South Africa send us injectors for testing, reconditioning and calibration. The before-and-after test reports give you documentation you can keep on file or show your own customers.
