Penrite Convoy Super Diesel FX 15W-40 Engine Oil 10L

Penrite · Part number DFX010 · NZ$179.40 incl. GST

Right then, for all you hardworking diesel vehicle owners out there, whether you're cruising in a European tourer like a Mercedes-Benz E-Class or tackling the rugged backroads in a Toyota Land Cruiser or Mitsubishi Triton, engine oil is the absolute lifeblood that keeps everything ticking, protecting those critical internal bits from extreme heat, friction, and all the gunk that builds up in our demanding Kiwi conditions. This Penrite option is a top-notch pick, and we've got it.

Price

NZ$179.40 including GST. Part number DFX010.

Fits these vehicles

• Asia Motors
• Asia Motors Rocsta (1993–1998)
• Asia Motors Rocsta (1993–1999)
• 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 (1993–1997)
• Citroen ZX (1994–1997)
• Citroen ZX (1994–1997)
• Daewoo
• Daewoo
• Daihatsu Rocky (1985–1998)
• Daihatsu Rocky (1987–1993)
• Daihatsu Rocky (1991–1998)
• Daihatsu Rocky (1993–1998)
• Daihatsu Rocky (1993–1998)

Description

Diesel Engine Oil Change: Keep Your Workhorse Humming!
> Look, your engine oil isn't just about making things slippery; it's the unsung hero, lubricating, cooling, and scrubbing away all the nasties from your engine's insides. But over time, especially in our hardworking diesel engines and under the tough conditions we throw at them, that oil breaks down. For our diverse lineup of diesels here – from the trusty Ford Transit and Toyota Coaster to the Suzuki Grand Vitara and the legendary Toyota Land Cruiser – keeping that oil fresh and up to spec isn't just good practice, it's absolutely critical for a long, happy life on NZ's varied terrain.

Symptoms That Led You Here
• Engine running louder than usual, especially on cold starts
• Oil appearing black, gritty, or smelling burnt on the dipstick
• Oil level dropping between services without visible leaks
• Reduced fuel economy or sluggish throttle response
• Oil pressure warning light flickering or illuminating
• Excessive exhaust smoke, particularly on acceleration
• Engine temperature creeping higher than normal under load

Will it pass WOF?
Engine oil condition is not a direct WOF checkpoint, however excessive oil leaks causing environmental contamination or smoke emissions affecting visibility will result in WOF failure. More critically, neglected oil leads to catastrophic engine damage—a far costlier outcome than regular servicing.

DIY or Workshop?
Difficulty: 3/10 | Time: 30-45 minutes | Tools: Drain pan, correct socket for sump plug, oil filter wrench, funnel, new sump plug washer

Diesel oil changes are straightforward for most home mechanics. The key challenge is ensuring you use the correct specification oil for your engine—diesel engines, particularly turbocharged units like those in the E-Class 300 TD or Triton TD, have specific viscosity and additive requirements. Always verify manufacturer specifications before pouring.

Expert Recommendation
Bob and the CARFIX team recommend adhering to manufacturer service intervals, or more frequently if your diesel operates in severe conditions—think towing, dusty rural roads, or frequent short trips that prevent full warm-up cycles. For the commercial and 4WD vehicles in this fitment range, oil quality directly impacts turbocharger longevity and injector cleanliness. Bob @ CARFIX is always on hand to help you match the right oil grade and quantity for your specific diesel. Make sure you head over to Bob's Shop for a chat!

Fitment Notes
• Turbocharged diesels (E-Class 300 TD, Land Cruiser TD 24V, Triton TD) require oils meeting specific manufacturer approvals—check for Mercedes-Benz 229.1 or equivalent specifications
• Older indirect injection diesels (Econovan D, Bongo E2200 D) are generally less fussy but still benefit from quality diesel-rated oil
• Commercial vehicles like the Toyota Coaster and Ford Transit operating under heavy loads may require shorter change intervals than passenger vehicles
• Always replace the sump plug washer to prevent slow leaks
• Dispose of used oil responsibly at your local recycling centre—never pour down drains

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🛠️ Bob's Pro Tip: Do the Job Right!

🧰 What Else You'll Need:
• Clean Workspace: Use a dedicated oil drip tray and have a roll of workshop towels ready to catch any spills during the drain.
• Filter Removal: Keep an oil filter wrench or strap wrench handy, as old filters can be stubbornly seized.
• Pre-Lubrication: Smear a tiny dab of fresh engine oil onto the rubber gasket of the new oil filter before spinning it on to ensure a perfect, leak-free seal.
• Clean Hands: Keep Nitrile Gloves and heavy-duty hand cleaner nearby to protect your skin from used motor oil.