Renault Megane Rear Bumper: Fitment, Sensors & Common Damage

A genuinely serious, real warning before any towbar work — one alarm fault cascaded badly after a botched fitting — plus why the reversing camera runs on 6V, not 12V.

Illustration for editorial purposes

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OEM Part Number: confirm via VIN — rear bumper (aftermarket) Prasco RN4301051 / Van Wezel 4407544

Accuracy note: Covers the Renault Megane (Mk4 2016-) as listed in the UK aftermarket catalogues. A rear bumper is a body-coloured plastic skin, so what you buy is a primed cover that still needs painting to your paint code, and the right one depends on body style, facelift date and the holes moulded into it for parking sensors, a tow bar cut-out or exhaust trims — a cover without the sensor holes cannot be drilled accurately at home. The references below are UK aftermarket catalogue listings for this generation, labelled by brand with the fitment details the catalogue gives; carmakers rarely publish the genuine number against these, so order a genuine cover against your VIN if you want a guaranteed match. The lower sections, corner pieces and trims listed separately are the parts most often sold on their own after a car-park knock.

Rear bumper covers (aftermarket)	Prasco RN4301051 (Rear, primed); Prasco RN4301061 (Rear, primed, with holes for park assist); Van Wezel 4407544 (Rear, primed); Van Wezel 4407545 (Rear, for vehicles with blind spot assistant, primed); Diederichs 4467055 (Rear, for vehicles without parking sensors, Smooth); Diederichs 4467056 (Rear, for vehicles with blind spot assistant, Smooth)
Lower sections, corners & trims	None listed separately
Genuine (OE) numbers quoted	None quoted in the catalogue listings — the genuine cover varies by body style, parking sensors and tow bar, so order it against your VIN
Fitment notes	Match body style, facelift date and the holes for parking sensors or exhaust trims; covers come primed and need painting to your paint code before fitting.

A Genuinely Serious, Real Warning Worth Knowing Before Any Towbar Work — Renault Megane Rear Bumper

This is genuinely worth taking seriously before booking a towbar installation: one documented case saw a car's alarm begin triggering unexpectedly immediately after a towbar was fitted, with the garage initially denying responsibility and even cutting and taping over a wire as an improvised attempt to "immobilise" the alarm — which didn't resolve the underlying issue, and the alarm went off again. In the same case, plugging in a trailer afterward revealed the electrics simply didn't work at all. This is a genuine, real illustration of how poor towbar wiring work can cause serious, disruptive faults well beyond the towing electrics themselves — worth choosing a reputable, experienced fitter carefully, and worth insisting on a proper diagnosis rather than an improvised workaround if something goes wrong immediately after the work.

A genuinely specific technical fact worth knowing if you're considering a DIY reversing camera: the genuine factory-fitted reversing camera on many models runs on 6V specifically, not the standard 12V most generic aftermarket cameras and wiring guides assume. Attempting to wire a replacement or aftermarket camera using standard 12V assumptions can genuinely fail to work correctly or damage the camera — worth confirming the correct voltage for your specific system before attempting any DIY camera work.

It's also worth knowing that not every car of the same nominal trim and model year came with a reversing camera prewired — some genuinely need wiring run from scratch through the car, while others already have a connector present simply needing the camera itself connected and the feature activated in the infotainment settings. Checking the boot area and rear light cluster wiring for an existing, unused connector before assuming you need to run entirely new cabling is worth doing first.

Renault Megane Rear Bumper: More Than Just a Plastic Panel

It's rarely a plain plastic panel on the Renault Megane: the rear bumper usually integrates parking sensors and a reversing camera housing, sometimes exhaust trim too, so a seemingly minor kerb scrape can end up needing more than a simple like-for-like swap.

Renault Megane Rear Bumper: Watch: Replacing It

🎬 Watch: Tuto démontage pare-choc ar Renault Megane 4 / disassembly rear bumper Renault Megane 4

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The sequence is much the same on this generation: wheel-arch liner screws, the fixings along the boot aperture and under the lower edge, then unclip each corner from the wing and unplug any sensor loom before the cover comes away.

Renault Megane Rear Bumper reference plate

Before you buy: bumper specification varies significantly by trim, particularly around parking sensor cutouts and camera housings. Always confirm against your VIN before ordering.

Renault Megane Rear Bumper: What It Does

Beyond absorbing minor impacts, the rear bumper on higher trims of the Megane often houses parking sensors, a reversing camera, and sometimes integrated exhaust finishers. A bumper that looks compatible can still be missing the correct cutouts or wiring provisions for your specific trim's equipment.

Renault Megane Rear Bumper: Generations, Derivatives & Colour

Standard trims	Glacier White (no-cost), Diamond Black, Flame Red, Twilight Blue
RS derivatives	Liquid Yellow is a genuine RS-signature shade alongside Racing Blue and Ultra Red; the rear bumper is also styled differently on this trim

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Renault Megane Rear Bumper: Common Damage, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Rear Bumper Guide for common damage types, confirming fitment (body style and sensor equipment matter here), and OEM vs aftermarket guidance.

More Renault Rear Bumper

The same part, covered across other Renault models.