Front Runner LC250/GX5503/4 Slimline3 mounting system

Specifications & fitment

Manufacturer / component part

MSTL002

Selected configuration

Mounting rails only / no rack tray

Vehicle fitment evidence

Manufacturer explicitly names LC250 Prado / GX550 mounting system; exact US model year/grade/roof/VIN must be confirmed. Maker says permits sunroof operation; this is not approval for every panoramic roof.

Package contents

Left/right3/4 mounting rails, integrated fairing, stainless hardware and fitting instructions; Slimline3 rack tray is separate.

Critical specifications

Pair of3CR12 stainless rails with integrated fairing;1459×80×120mm per side rail. Maker assembly weight8kg/17.6lb. Listed top of complete Slimline3 rack80mm above roof crown.

Product mass

17.6 lb product mass

Net added vehicle weight

Net addition unverified

Weight basis

Maker product assembly mass8kg/17.6lb, not installed net vehicle change; OEM rails removed, separate tray and any extra gear unaccounted.

Professional installation

1.5–3 hr · researched planning estimate

Installation scope

1.5–3hr task-based professional planning estimate for OEM rail removal, seals and mounting-rail alignment/fastening based on MSTL002 guide; tray assembly and extra accessories require separate quote. Numeric published labor not found.

Fitment / supporting work

OEM roof rails must be removed; no drilling per maker. This is an incomplete rack mounting component, not a roof-cargo platform by itself. Confirm roof seals, tray sizing, vehicle roof limits and full installation quote.

Required equipment & checks

Planning requirements for this product. Your exact vehicle and complete build still need confirmation.

Where to buy

Same selected configuration, ordered by listed price. These are dated source snapshots, not live inventory or delivered quotes.

Installation instructions & videos

1.5–3 hr · researched professional planning estimate. 1.5–3hr task-based professional planning estimate for OEM rail removal, seals and mounting-rail alignment/fastening based on MSTL002 guide; tray assembly and extra accessories require separate quote. Numeric published labor not found.

Instructions & manuals

Installation / assembly videos

No sufficiently matched installation video has been verified for this entry.

Component, family and different-vehicle references retain their scope; they do not certify the exact LC250 installation. Full video playback is not independently confirmed.

Exact catalog configuration

The catalog currently documents this selected configuration.

Web-sourced user evidence

Selected source-linked paraphrases, not verified purchases or a representative failure-rate survey. Family and different-vehicle matches do not certify this SKU. No blended rating is inferred.

No sufficiently matched first-person report has been added for this product. A listing or brand reputation is not counted as an owner review.

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