Whirlpool French Door Mullion Rail Replacement WP12722803AP - Reliable

In this review of the Whirlpool French Door Mullion Rail WP12722803AP, the bottom line is simple: this is a straightforward, OEM replacement for owners who need a durable seal between their refrigerator doors. It is aimed at people with compatible Whirlpool white-model French door refrigerators who want a like-for-like repair part that meets factory standards. The review finds the part easy to install for those with basic DIY experience and notes that customers report a good fit and dependable functionality, making it a practical choice for restoring operation without resorting to aftermarket alternatives.

Key Features

• Genuine OEM construction: Built to Whirlpool engineering standards so the part matches original fit and finish for consistent performance.
• Airtight seal function: Creates the proper airtight seal between French doors to help maintain internal temperature and efficiency.
• Compatibility: Designed for multiple Whirlpool models including WRF535SWHZ, WRF535SMBM, KRFC300ESS, KRFF305ESS, and WRF535SWHV so buyers can replace the exact part for these appliances.
• Easy installation: Installs with basic hand tools and a little disassembly, making it suitable for homeowners with novice repair experience.
• One-year warranty: Backed by a Whirlpool one-year warranty, providing added confidence versus aftermarket parts.

Who It's For

This replacement mullion rail is ideal for owners of compatible Whirlpool French door refrigerators who need to restore a proper door seal without changing appearance or performance. It suits people comfortable unplugging their appliance, using a multi-screwdriver, and performing light disassembly to swap the part.

It is not aimed at owners of non-compatible models, those who need a different color or trim, or people expecting a universal aftermarket solution. If you lack any willingness to open the refrigerator or prefer professional service, hiring a technician may be a better route.

Pros & Cons

Pros

• Genuine OEM quality ensures a precise fit and reliable functionality as reported by customers.
• Simple installation for a homeowner with basic tools and some patience.
• Compatible with several Whirlpool models so you can replace the original factory part.
• One-year warranty offers protection against defects.

Cons

• Only intended for white-model refrigerators and specific Whirlpool models, so color and fit limitations apply.

Specifications

Part number	WP12722803AP (replaces W10199882, 12722803APK, 12722803APN, and more)
Brand	Whirlpool OEM
Application	French door refrigerator mullion rail for white-model refrigerators
Compatible models	WRF535SWHZ, WRF535SMBM, KRFC300ESS, KRFF305ESS, WRF535SWHV
Warranty	One-year Whirlpool warranty
Installation	Requires basic hand tools and minor refrigerator disassembly

Our Verdict

The Whirlpool WP12722803AP mullion rail is a sensible OEM replacement for owners of compatible white-model French door refrigerators who want a reliable, factory-fit seal. It represents good value when restoring door function because it matches original specifications, installs with basic tools, and includes a one-year warranty.

Frequently Asked Questions

Is this a genuine Whirlpool part?
Yes, the WP12722803AP is a genuine Whirlpool OEM part built to the brand's engineering standards.

Do I need special tools to install it?
No special tools are required; a multi-screwdriver and basic hand tools plus some disassembly are sufficient for most homeowners.

Will this fit non-white refrigerators?
This part is designed for white-model refrigerators and specific Whirlpool models, so color and fit may not match other finishes.