545-11207

The Infiniti 545-11207 2019 QX50 ABS Anti-Lock Brake Pump/Actuator Unit is a crucial component of your vehicle's braking system. This advanced piece of automotive technology is designed to ensure optimal braking performance in various driving conditions.

The ABS (Anti-Lock Braking System) is an essential safety feature that prevents the wheels from locking up during hard braking, allowing the driver to maintain steering control. The pump/actuator unit is responsible for modulating the hydraulic pressure required for the ABS system to function effectively.

This Infiniti part is meticulously engineered using high-quality materials to deliver consistent performance and durability. It features a robust design that can withstand the high pressures and demanding conditions of a modern braking system.

The pump/actuator unit is specifically designed for the 2019 Infiniti QX50 model, ensuring a perfect fit and seamless integration with your vehicle's braking system. It comes with all necessary hardware for a straightforward installation process.

By maintaining proper function of the ABS system, the Infiniti 545-11207 2019 QX50 ABS Anti-Lock Brake Pump/Actuator Unit contributes significantly to your vehicle's safety and overall driving experience. Replacing a faulty or worn-out unit with this genuine Infiniti part can provide you with peace of mind and the confidence to tackle any road conditions with ease.

Pros and Cons of Buying Infiniti QX50 2019 ABS Anti-Lock Brake Pump/Actuator Unit (Infiniti 545-11207)

a. Enhanced safety: The ABS anti-lock brake pump/actuator unit is a crucial safety component. It helps prevent the wheels from locking up during hard braking, ensuring better control and stability.

b. OEM part: This unit is an original equipment manufacturer (OEM) part, which is designed and manufactured by Infiniti. This guarantees a perfect fit and optimal performance.

c. Improved braking performance: The new pump/actuator unit can potentially offer improved braking performance, as it may be more efficient or have updated features compared to the old one.

a. Cost: Replacing the ABS anti-lock brake pump/actuator unit can be quite expensive, as it is a complex and essential component.

b. Labor-intensive installation: Installing this part requires significant expertise and time, as it involves disconnecting various electrical and hydraulic components.

c. Potential for additional repairs: If the pump/actuator unit fails again shortly after replacement, it could indicate an underlying issue with the vehicle's braking system that needs further investigation.

The decision to buy the Infiniti 545-11207 2019 QX50 ABS anti-lock brake pump/actuator unit depends on your priorities. If safety and optimal performance are your top concerns, this part is a worthwhile investment. However, consider the high cost, labor-intensive installation, and potential for additional repairs as important factors in your decision.

If you are experiencing issues with your vehicle's braking system, it is essential to address them promptly. Before making a purchase, consider getting a thorough inspection from a trusted mechanic to diagnose the root cause of the problem. This will help you make an informed decision on whether replacing the ABS anti-lock brake pump/actuator unit is the best course of action.

Details:

These wheels are still guaranteed to be straight and true, just not the best looking. Axle/CV shaft: does not include the axle nut. Control arm: includes the ball joint and any bushings. It is in average condition for the year and mileage of donor vehicle.

Radio: pay special attention to our fitment. This is still a fairly nice looking, used wheel. Exhaust manifold: does not include turbo where applicable. Washer reservoir/bottle: includes cap unless noted.

Claims that result from the failure of other components. This is on a case by basis. Transfer case: does not include electric shift motor. Claims that result from overheating due to cooling system failure.

It will have high miles or minor damage. Fuel filler door: includes hinge. Pay special attention to any options listed. Sun visor: does not include clip.

If you don't know what a paint code is or where yours located, please feel free to ask. Differential carrier: does not include axles. Slides are not covered under warranty. Starter: includes solenoid.

Mass airflow sensor: does not include housing unless pictured. Ignition coil s: see part notes. A/c compressor: includes the clutch/pulley assembly. Rack and pinion: includes tie rods but they are not covered under warranty.

This for a used oem abs anti-lock brake pump/actuator unit assembly pulled from 2019 QX50 with 102000 actual miles on it. Our part #: 545-11207, 4364103. Does not include bolts/hardware. It may have minor scratches and clear coat peeling.

Whats included. Caliper: includes the bracket and slides. Fuel injectors: see our part notes. Temperature control: includes all knobs, buttons, and sliders.

B parts have average miles and condition for its age. Door trim panel: includes handle and armrest. In the event of a claim, AAA will offer replacement part similar quality. I only see photos of the vehicle and not actual part you are selling.

Not included: throttle body, turbo, wiring harness exhaust manifold may be left on in certain cases. Blower motor: include the squirrel cage/fan blade. Hid headlights include the bulbs and ballast. Alternator: includes the pulley.

Spindle/knuckle: does not include hub unless noted. Transmission: automatic transmissions include torque converters and sensors. These parts are not covered under warranty: intake manifold, fuel injectors, oil pan, sensors, water pump. Many newer transmissions require a relearn/programming procedure.

Cowl vent panel: see our part notes, often sold as one side only. Power steering gear: includes Pittman arm. Fuel pump: includes sending unit and any molded hoses that are non-removable. Remote reservoirs and brackets will not be included.

Column switch: includes wiring if applicable up to the first point it can be unplugged. Is this the right part?, this is most common question that we get. Interior rear view mirror: does not included bracket glued to windshield. Wiper transmission: does not include motor or arms unless noted.

Hub: includes wheel studs. Does not include window/lock switches. New fluids, filters, seal, and gaskets must be used in the installation of driveling component. Strut: struts are left assembled and include top plate, spring, dust boot dust boots on used struts rarely in perfect shape.

If noted as assembly, it will include the lug wrench. Infiniti QX50 19-20 assembly, id 476605ny0c. Here are our part notes about this specific. Wheel/rim: does not include cap, tire, or lug nuts.

C condition, c-cond this wheel will have very noticeable cosmetic issues. Power steering pump: includes pulley and attached reservoir. Window regulator: does not include motor unless noted most are with. 6 month warranty.

Does not include bulbs. The fitment information can be confusing if you don't buy replacement parts everyday. Parts installed in vehicles used for commercial, racing, or off-road purposes, parts any purpose other than the original application. Please see the fitment section below to make sure this will fit your vehicle.

Most of the time we include paint code in our part notes. Any brackets are not included. Coolant overflow bottle: cap is included. B condition, b-cond this wheel will have some cosmetic imperfections.

Stabilizer bar: does not include links or bushings. Jack: see part notes. Wiper motor: does not include arms or transmission unless noted. Manual transmissions do not include any part of the clutch system.

A/c condenser: sensors and hoses are not included. Fan assembly: includes motors, shroud, and blades. All claims for warranty must be made within this time. All lubricants and fluids used must be of the type recommended by manufacturer receipts for installation items accompany claim warranty.

specifications perfoelectric:

• for models: Qx50
• for years: 2019
• brand: Infiniti
• part type: Actuator Lock Brake Pump Unit
• conditions options: Assembly, Genuine Oem Part
• genuine oem: Yes
• ipn: 545-11207
• manufacturer warranty: 6 Month

returns perfoelectric:

• policy: returns accepted
• time: 60 days
• paid by: seller

seller perfoelectric:

• rating: 99.7%
• # reviews: 66619
• city: rosemount, minnesota

offer perfoelectric:

• prices: $47.83–$249.97
• item condition: Used
• options: ship-to-home
• availability: in stock
• sold #: 11
• started: february 20, 2026
• in stock #: 5

general perfoelectric:

• category: Auto Parts > Car Truck Accessories > Brakes > Additional Abs

shipping perfoelectric:

• transit: 3-5 days
• type: fixed
• class: standard
• carrier: ups
• service: ups ground

payments perfoelectric:

• other
• wallet: google-pay
• credit card: discover

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