Rear Left & Right Disc Brake Calipers Assembly for F-150 and Mark LT

In this review the reviewer looks at the SCITOO rear left and right disc brake calipers assembly and concludes it is a practical replacement for owners of compatible Ford F-150 and Lincoln Mark LT models who need a straightforward repair. The greatest strength is direct fit compatibility across many model years and engine options, which makes the set a sensible buy for anyone replacing both rear calipers at once. The review focuses on fit, installation, material details, and real-world notes from owners about function and durability.

Key Features

• Direct fit replacement: The pair is designed for rear driver and passenger positions, providing a like-for-like swap with no modification for supported F-150 and Mark LT years.
• Complete two-caliper set: Shipping as rear left and right assemblies ensures both sides match in performance and appearance after installation.
• Phenolic piston material: The single 2.01 in phenolic piston resists corrosion and reduces heat transfer to brake fluid compared with some metal designs.
• OE cross-reference: Each caliper matches OE numbers 184859 (driver) and 184858 (passenger), helping verify compatibility during parts selection.
• Pre-coated and tested: Calipers are finished and tested to meet or exceed OE standards, which aims to deliver reliable performance and longevity in typical driving conditions.
• Hardware ready: Designed for straightforward installation with the mounting hardware included, reducing the time and hassle for a brake job.

Who It's For

This caliper set is best for owners of 2004-2011 Ford F-150 trucks and certain Lincoln Mark LT years who need rear calipers replaced and prefer a matched driver and passenger assembly. It is also suitable for mechanics and DIYers who want a direct installation without custom brackets, and for those who value an OE-referenced part and phenolic pistons for reduced heat transfer.

It is not the right choice for vehicles outside the listed compatibility, for buyers who require calipers with integrated brackets, or for those who prefer metal pistons for specific performance or track uses. Inspect vehicle fitment carefully against the listed OE numbers before purchase.

Pros & Cons

Pros

• Good fit for listed F-150 and Mark LT models, reducing clearance and bolt-up issues during installation.
• Phenolic piston and coated finish help with corrosion resistance and heat management compared with uncoated units.
• Includes both rear driver and passenger calipers so both sides match in function and appearance.
• Comes with mounting hardware for a straightforward replacement job.

Cons

• Some customers report occasional stickiness and mixed bolt quality, indicating a need to inspect and possibly service slide components during installation.

Specifications

Application	Rear Driver & Passenger for Ford F-150 and Lincoln Mark LT
OE Numbers	184859 (Driver), 184858 (Passenger)
Piston Count	1 piston per caliper
Piston Diameter	2.01 in (51.1 mm)
Inlet Port Size	3/8-24-UNF
Bleeder Port Size	M10 x 1-6H
Bracket	Without bracket

Our Verdict

The SCITOO rear caliper pair is a practical, value-minded replacement for compatible Ford F-150 and Lincoln Mark LT owners who need matching rear calipers and a direct installation. Its OE references, phenolic pistons, and pre-coating make it a sensible choice for routine repairs, though buyers should check slide and bolt condition during install to address occasional reports of stickiness.

Frequently Asked Questions

Will these calipers fit my F-150?
They fit specified 2004-2011 F-150 engine and year combinations listed by the manufacturer; verify against OE numbers 184859 and 184858 for your vehicle.

Do these calipers include brackets and hardware?
The assemblies are supplied without brackets but are designed for direct installation and include mounting hardware for the rear positions.

What material are the pistons made from?
Each caliper uses a single phenolic piston with a 2.01 in diameter to help reduce heat transfer and resist corrosion.