Leer Door Sweep 38 Inch – Walk-In Cooler & Freezer Bottom Seal Replacement

OEM Part Details

• Manufacturer: Leer
• OEM Number: 736-023
• OEM Status: VERIFIED
• MPN: 736-023
• SKU: 736-023
• Part Type: Door Gasket

Product Overview

Product Overview Leer 736-023 is a 38-inch door gasket, also identified as a door sweep or bottom seal, for verified walk-in cooler and freezer door applications. This commercial refrigeration door component helps close the gap along the bottom area of the door so the cabinet can maintain a more consistent seal when the door is shut. A properly seated bottom seal supports normal door closure and helps limit the entry of warmer, moisture-laden air around the door opening. Because door seals are wear items, the original gasket can become torn, flattened, hardened, loose, or damaged through repeated use. When the bottom seal no longer contacts the door frame correctly, the door may not close as cleanly as it should and air leakage can become more noticeable. Replacing a worn door sweep with the correct Leer manufacturer part number helps service teams restore the intended door-sealing arrangement without relying on an unverified substitute. Compare the removed component, the 38-inch length, and the mounting arrangement before ordering.

Product Function

Product Function This Leer door gasket functions as a bottom door seal for commercial refrigeration equipment. Its job is to help fill the space between the closed door and the door opening, reducing air movement at the lower edge of the door. Maintaining a sound seal is important because repeated door traffic, moisture, frost, and ordinary wear can affect how consistently a door closes against its sealing surfaces. OEM part number 736-023 provides a reliable identification point for this 38-inch door sweep. The part should be evaluated as part of the complete door assembly, including the door position, gasket contact area, hinges, latch, and any retainer or track used by the original component.

Why Choose a Genuine OEM Replacement?

Why Choose a Genuine OEM Replacement? Leer OEM part number 736-023 gives technicians and buyers a direct manufacturer part-number reference when replacing this 38-inch door gasket. Matching the verified OEM number helps distinguish this door sweep from seals that may appear similar but use a different length, profile, mounting arrangement, or door application. Using the identified OEM part number also gives the service team a clearer starting point when comparing the replacement with the removed component and equipment information before installation.

How This Part Works

How This Part Works When a walk-in cooler or freezer door closes, the door gasket is intended to contact the mating surface around the opening. This 38-inch Leer door sweep serves the lower portion of that sealing arrangement. Its condition, position, and contact with the closing surface can influence how well the bottom edge of the door closes. A seal that is intact and positioned correctly can help limit gaps where outside air and moisture may enter the refrigerated space. Conversely, damage, compression loss, separation, or poor alignment at the bottom of the door can leave an area that should be inspected during commercial equipment service. The gasket itself is only one part of the door-sealing system. Door sag, hinge wear, latch condition, frame damage, and an unsuitable mounting arrangement can also affect seal contact. For that reason, compare the new OEM 736-023 part with the original component and inspect the surrounding door hardware before completing the repair.

Technician Service Tip

Technician Service Tip Before replacing the door sweep, inspect the lower door edge and the mating surface for damage, debris, frost buildup, or uneven contact marks. Check door alignment, hinge condition, and latch operation as well. A new gasket may not seal consistently if the door assembly is misaligned or if the original mounting area is damaged.

Common Failure Symptoms

• A torn, split, or visibly damaged lower door seal may indicate that the gasket should be inspected.
• A door that appears to leave a gap near the bottom edge may indicate reduced gasket contact.
• Moisture or condensation near the lower door opening can indicate an area that should be evaluated for air leakage.
• Frost accumulating near the bottom of a freezer door may indicate that the seal and door alignment should be inspected.
• A flattened or permanently compressed door sweep may indicate normal wear or reduced sealing contact.
• A door that requires unusual pressure to close can indicate a gasket, hinge, latch, or alignment concern.
• Visible separation between the gasket and its mounting area may indicate that the original component needs attention.
• Inconsistent contact along the lower door edge may indicate a worn seal or a door-position issue.

Commercial Applications

Commercial Applications Leer OEM 736-023 is identified as a 38-inch door gasket or bottom door sweep for walk-in cooler and freezer door applications within commercial refrigeration equipment. It is relevant to refrigeration service companies, restaurant maintenance teams, foodservice facilities, and commercial kitchen repair personnel responsible for walk-in door condition. Door seals are routinely inspected where frequent door use, cold temperatures, moisture, and physical contact can contribute to wear. Confirm the original component and equipment information before selecting this part for a specific door assembly.

Before You Order

• Match the Leer OEM part number 736-023 to the required replacement part.
• Compare the replacement with the removed door sweep or gasket before installation.
• Confirm that a 38-inch length is required for the original application.
• Review the gasket profile and mounting arrangement against the original component.
• Confirm the equipment manufacturer information on the data plate.
• Use the equipment serial number when additional application confirmation is needed.
• Inspect the lower door edge and gasket contact surface for damage or obstruction.
• Check door hinges, latch operation, and door alignment before attributing a sealing concern to the gasket alone.

Related Components

• Door hinges: Inspect hinges for wear or looseness because door sag can prevent the bottom gasket from contacting the frame evenly.
• Door latch: Check latch operation because inadequate door closure can create a gap even when the gasket is in good condition.
• Door closer: Evaluate the closer where used, since incomplete closing action can affect consistent gasket compression.
• Gasket retainer or track: Inspect the original retaining area for damage or separation that could prevent the replacement sweep from seating correctly.

Frequently Asked Questions

What is Leer part number 736-023?

Leer 736-023 is a 38-inch door gasket, also described as a door sweep or bottom seal, for verified walk-in cooler and freezer door applications.

What does this door gasket do?

It helps seal the lower edge of a closed refrigeration door and can help limit air and moisture movement around the door opening.

How do I confirm this is the correct door sweep?

Match OEM part number 736-023, compare the original component, confirm the 38-inch length, and review the original gasket profile and mounting arrangement.

Should hinges and the latch be inspected when replacing a door gasket?

Yes. Hinge wear, latch condition, and door alignment can affect gasket contact and should be inspected with the door sweep.

Can a worn bottom seal contribute to frost or moisture near a door?

It may. A torn, flattened, or poorly seated seal can indicate an area where air leakage should be evaluated, along with the rest of the door assembly.