RTC644220 - Piston – 2.5L N/A Diesel – 0.020" Oversize by AftermarketEngine Part Land Rover Range Rover Defender

RTC644220 - Zuiger – 2.5L atmosferische diesel – 0.020" overmaat

- €57,00

€57,00

€57,00 - €57,00

€57,00

Aftermarket: Quality alternative. This is a quality alternative, designed to fit and function like the original part, often at a more competitive price.

Zuiger - 2.5L N/A Diesel - 0.020" Overmaat voor de Defender, uitgerust met de 2.5L atmosferische dieselmotor, voor gebruik tijdens motorrevisie wanneer cilinderboringen zijn opgeboord naar 0.020" boven de standaardmaat.

Deze overmaatse zuiger herstelt de correcte speling tussen zuiger en boring na een 0.020" (0.508 mm) opboring. Moet worden gecombineerd met de corresponderende overmaatse zuigerveren. Geschikt voor complete motorrevisies van atmosferische dieselvarianten.

Vehicle Model Land Rover Defender tot 2016

Fitment Notes DEFENDER 1983-2006 — Zuiger, 2.5L atmosferische diesel, 0.020" overmaat

Alternative Codes

RTC644220BR 2655RTC305220RTC473320

Available to order 2–3 weeks

Not currently in stock. Order now — typically ships within 2–3 weeks.

Need it faster? Contact us about express import (2–5 business days).

When will my order arrive?

This item is ordered from our supplier on request. Typical lead time is 2–3 weeks from order confirmation.

Netherlands / Belgium / Germany: 2–4 working days after dispatch.
Other EU countries + UK: 4–8 working days after dispatch.
Outside EU/UK: contact us for an estimate.

Need it faster? Express import available in 2–5 business days — contact us before ordering.

Job kits containing this part

This part is included in 0 job kit(s) below. Pick the kit that matches your vehicle and job, then add what you need.

Frequently asked questions

What is the RTC644220 piston used for?

The RTC644220 is an oversize piston for the 2.5L naturally-aspirated diesel engine in the Land Rover Defender (up to 2006). It sits in the cylinder bore and forms the moving seal that transfers combustion pressure to the connecting rod. It's an aftermarket replacement used during engine overhaul.

What does 0.020 inch oversize mean on this piston?

0.020 inch oversize means the piston is machined larger than standard to suit a cylinder bore re-bored 0.020 inch (0.508mm) over standard. It restores the correct piston-to-bore clearance after machining. Standard bores need the standard-size piston, so confirm your rebore size before ordering.

How many pistons do I need, and do I need oversize rings too?

The 2.5L naturally-aspirated diesel is a four-cylinder engine, so a full rebuild typically needs four pistons. This oversize piston must be paired with matching 0.020 inch oversize rings, as standard rings won't seal correctly in a re-bored cylinder.

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