Lexus RX Fuel Pump: Specs, Fitment & Common Faults

Confirmed: a genuine, widespread recall covers a fuel pump impeller defect affecting millions of vehicles globally, including this model, that can cause the engine to stall while driving — worth checking your specific VIN directly.

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OEM Part Number: confirm via VIN — fuel pumps (aftermarket) Delphi FE0670-12B1 / Meat & Doria 76416

Accuracy note: Covers the Lexus RX (2015-) as listed in the UK aftermarket catalogues. In-tank fuel pumps are sold two ways: as a complete feed unit (the pump in its swirl pot with the fuel-level sender and float) or as a bare pump that is fitted into the old housing, and petrol and diesel versions are not interchangeable — most diesels have only a low-pressure lift pump in the tank, with the high-pressure pump on the engine. The references below are UK aftermarket catalogue listings for this generation, labelled by brand; genuine numbers are shown only where a listing quotes one. Check fuel type, the plug pin count and whether your car has one sender or two (saddle tanks on 4x4 and some larger cars) against your VIN before ordering.

Fuel pumps / feed units (aftermarket)	Delphi FE0670-12B1 (bare in-tank pump, petrol, metal housing); ERA 770171A (bare in-tank pump, 4 bar / 140 l/h, 2 connectors, 52 mm body); ERA 770161A (bare in-tank pump, 3 bar / 110 l/h, 2 connectors); ERA 770162A (bare in-tank pump, 3.2 bar / 120 l/h, 2 connectors, 38 mm body); Ridex 458F0040 (bare in-tank pump, 3.4 bar / 100 l/h, 2 connectors); Meat & Doria 76416 (bare in-tank pump, 3 bar / 95 l/h); Ridex 458F13718 (bare in-tank pump, petrol, 3.8 bar).
Types & variants	Bare in-tank pumps only; no RX IV complete feed unit with sender is offered. The 350 V6 and 200t turbo call for the higher-flow units, the 450h hybrid for the 3 bar class. No diesel RX exists, so the diesel-marked Delphi FE0695-12B1 is not relevant.
Genuine (OE) numbers quoted	8450008680 (Kamoka 8410005); 142504 (Kamoka 8410016); 3111137300 (Hoffer 7506385 / Meat & Doria 76385); 170429F500 (Hoffer 7506416). No Lexus numbers are quoted.
Fitment notes	Petrol and hybrid only. The replacement pump goes into the original in-tank module, keeping the Lexus sender and swirl pot; the gauge sender itself is not available in this range, so a faulty gauge means a genuine module from Lexus. Confirm pump diameter and outlet size against the old unit.

Lexus RX Fuel Pump: A Part That Fails at the Worst Possible Moments

On the Lexus RX, few component failures are as inconveniently timed as this one — it has a habit of stranding drivers mid-journey rather than giving a clean warning while the car is safely parked. Knowing the early signs buys valuable time to get it sorted before that happens.

Before you buy: fuel pump specifications vary by engine size and fuel type, and petrol/diesel versions are never interchangeable. Always confirm against your VIN before ordering.

Lexus RX Fuel Pump: What It Does

The Lexus RX's fuel pump draws fuel from the tank and delivers it to the engine at the pressure required for proper combustion. Almost all modern versions sit inside the fuel tank itself, submerged in fuel, which is partly why access for replacement is more involved than the part's small size might suggest.

Lexus RX Fuel Pump: Generations & Engines: Fuel Pump Type

Accuracy note: these are documented patterns by generation and engine family, not a substitute for confirming your exact engine code — always verify against your V5C before ordering, since petrol and diesel pumps are never interchangeable.

All generations, petrol, hybrid & PHEV	Petrol: typically a single in-tank low-pressure pump; some later or higher-output variants may add a separate engine-mounted high-pressure pump for direct injection — confirm your exact engine — the hybrid system doesn't change this; the combustion engine still needs its own fuel pump

Lexus RX Fuel Pump: Watch: Replacing It

🎬 Watch: 2016-2022 Lexus RX350 Back Seat Removal And Fuel Pump Replacement Instructions

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Covers AL20 generation

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Confirmed: A Genuine, Widespread Safety Recall Worth Checking Your Car Against — Lexus RX Fuel Pump

This is genuinely worth checking directly: a confirmed recall covers a fuel pump defect affecting millions of vehicles globally across the Toyota and Lexus range, including this model, caused by an internal impeller made from a resin material that can degrade or deform under certain operating conditions. If this happens, the pump can stop working entirely, which can cause the engine to stall while driving and genuinely increase the risk of a crash. It's genuinely worth checking your specific VIN against the official recall register directly, particularly on a used car where you can't be certain a previous owner had this recall action completed — the repair is a free fuel pump assembly replacement carried out by an authorised dealer.

A genuinely useful set of symptoms worth knowing before a pump fails completely: documented warning signs include the engine turning over for several seconds before starting or failing to start at all, since the pump isn't building enough initial fuel pressure, along with sputtering or hesitation particularly at consistent highway speeds, and a whining noise from the rear of the car near the fuel tank. Worth having these symptoms checked promptly rather than waiting for a complete stall while driving.

It's also genuinely worth knowing that Lexus has a separate, confirmed UK recall history relating to fuel pump wiring specifically on certain earlier models, where expansion and contraction of the fuel tank could stretch the pump's electrical harness, causing a break in the circuit that stops the fuel pump and engine without warning — worth checking whether any historical recall of this kind applies to your specific car in addition to the current, larger impeller-related recall.

Lexus RX Fuel Pump: Warning Signs, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Fuel Pump Guide for symptoms to watch for (including the low-pressure vs high-pressure distinction on direct-injection engines), confirming fitment against your VIN, and OE suppliers worth knowing.

More Lexus Fuel Pump

The same part, covered across other Lexus models.