Penrite HPR Diesel 15 Semi Synthetic 15W-50 Engine Oil 7L

Penrite · Part number HPRD15007 · NZ$159.47 incl. GST

For your trusty diesel workhorses like the Ford F-250, Toyota LiteAce, or Ford Transit, a quality fuel additive like Penrite is an absolute no-brainer for keeping injectors sparkling clean, boosting combustion efficiency, and cutting down on those smoky exhaust emissions, especially as the kilometres pile up.

Price

NZ$159.47 including GST. Part number HPRD15007.

Fits these vehicles

• Asia Motors
• Asia Motors
• Asia Motors Rocsta (1993–1998)
• Asia Motors Rocsta (1993–1999)
• Audi A4 (1995–2000)
• Audi A4 (1995–2000)
• Audi A4 (1995–2000)
• Audi A4 (1996–2001)
• Audi A4 (1996–2001)
• Audi A4 (1998–2000)
• Bedford CF (1973–1987)
• Citroen AX (1994–1997)
• Citroen BX (1983–1993)
• Citroen BX (1983–1994)
• Citroen BX (1985–1993)
• Citroen BX (1985–1993)
• Citroen BX (1987–1993)
• Citroen BX (1987–1994)
• Citroen BX (1988–1993)
• Citroen BX (1988–1994)
• Citroen Saxo (1996–2001)
• Citroen Saxo (1996–2003)
• Citroen Xantia (1993–2003)
• Citroen Xantia (1994–1998)
• Citroen Xantia (1994–1998)
• Citroen Xantia (1995–2003)
• Citroen Xantia (1996–2003)
• Citroen XM (1994–2000)
• Citroen XM (1994–2000)
• Citroen XM (1994–2000)
• Citroen XM (1994–2000)
• Citroen Xsara (1997–2000)
• Citroen Xsara (1997–2000)
• Citroen Xsara (1998–2000)
• Citroen ZX (1991–1997)
• Citroen ZX (1992–1997)
• Citroen ZX (1993–1997)
• Citroen ZX (1993–1997)
• Citroen ZX (1994–1997)
• Citroen ZX (1994–1997)

Description

Diesel Fuel Additives: Your Engine's Best Mate — Featuring Penrite
> Alright, let's talk about those hard-working diesel engines. You know the drill — lugging loads in your Ford F-250, clocking up serious kilometres in a commercial Ford Transit, or getting the job done with an older legend like a Daihatsu Rocky or Mazda E-Series. These tough conditions mean your fuel system can get a bit clogged up, leading to dirty injectors and inefficient burning. That's where a good diesel fuel additive comes in, acting like a superhero to clean things up, boost your cetane, and stop those nasty deposits from building up.
Symptoms That Led You Here
• Black or grey smoke under acceleration indicating incomplete combustion
• Rough idle or hesitation when cold starting
• Gradual loss of power and throttle response
• Increased fuel consumption without obvious cause
• Injector knock or diesel clatter louder than normal
• Failed emissions testing or visible exhaust haze
Will it pass WOF?
Fuel additives themselves are not a WOF item, but the symptoms they address—excessive smoke emissions and poor combustion—can cause WOF failure under the visible emissions check. Regular additive use helps maintain compliant exhaust output, particularly critical for older diesels like the 1990s Transit TD or Citroen ZX TD that lack modern emissions controls.
DIY or Workshop?
Difficulty: 1/10 — Simply pour into fuel tank before filling.
Time: 2 minutes.
Tools: None required.
This is the easiest maintenance task you can perform. Add before refuelling to ensure proper mixing with diesel.
Expert Recommendation
Bob and the CARFIX team recommend diesel additives as preventative maintenance rather than a cure-all. For commercial vehicles like the Tata Safari TDi or fleet Transits doing constant stop-start work, quarterly treatment keeps injectors clean and prevents the carbon buildup that causes expensive pump and injector failures. The Penrite additive is a solid performer we stock, and we also range alternatives from other quality manufacturers to suit different budgets and treatment requirements. Bob @ CARFIX is always on hand to help you work out exactly what additive suits your diesel workhorse best. Make sure you head over to Bob's Shop for a chat!
Fitment Notes
• Universal diesel application suits all vehicles listed including the Ford F-250 V8 diesel, Toyota commercial range, and European turbodiesels
• Older indirect injection diesels (pre-2000) benefit significantly from regular cleaning additives
• Not suitable for petrol engines—check your fuel type before use
• For severely clogged systems, professional injector cleaning may be required before additive maintenance becomes effective

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🛠️ Bob's Pro Tip: Do the Job Right!
> If you're replacing this additive, make sure you've got the right workshop prep, protection, and safety gear ready. Taking a bit of extra time and using the proper safety stands and cleaners makes all the difference for a professional result!

🧰 What Else You'll Need:
• Safety First: Always secure your vehicle on heavy-duty safety jack stands before working underneath. Never rely solely on a hydraulic jack.
• Clean Hands: Keep a pack of Nitrile Gloves handy to protect your skin from grease, oils, and chemical sprays.
• Preparation: Have microfibre towels and a suitable parts cleaner nearby to keep components clean during installation.