Dryer Belt For: Whirlpool LB278-SU, 3394652, 345675, 4319392, 8066064, 26000345675

Dryer Belt For: Whirlpool LB278-SU, 3394652, 345675, 4319392, 8066064, 26000345675

Safety first: Unplug the dryer and let it cool completely before servicing. Disconnect gas or water connections when applicable to your appliance and installation.

Restore proper dryer drum rotation with this ERP replacement belt for compatible Whirlpool dryers. A worn, stretched, cracked, or broken belt can cause the drum to slip, stop turning, or produce squealing and burning-rubber odors. This belt measures approximately 79 inches long and 1/4 inch wide with 4 ribs and 3 grooves. Verify the complete dryer model, original belt dimensions, rib pattern, and routing before ordering.

Product Details

• SKU: ERLB278-SU
• Country of origin: China
• Approximate dimensions: 79 inches long and 1/4 inch wide
• Rib and groove pattern: 4 ribs and 3 grooves

Compatible Part Numbers

• LB278-SU
• 3394652
• 345675
• 4319392
• 8066064
• 26000345675

Key Features

• Direct replacement: Replaces the listed Whirlpool dryer belt part numbers.
• Drum drive: Helps transfer motor power to rotate the dryer drum.
• Known dimensions: Approximately 79 inches long and 1/4 inch wide with 4 ribs and 3 grooves.
• Installation check: Match the belt dimensions, rib pattern, routing, and tension with the original.

Fixes These Symptoms

• Dryer drum does not turn or turns intermittently
• Dryer drum slips or rotates unevenly
• Dryer makes squealing or belt-related noises
• Dryer has a burning-rubber odor or the belt is cracked, frayed, stretched, or broken

Compatible Brands

Whirlpool

Compatible Models

Fits various models. Please verify compatibility with us before ordering

Installation Instructions

1. Disconnect electrical power before servicing the dryer.
2. Confirm the complete dryer model, original belt dimensions, rib pattern, routing, and tension.
3. Remove the worn belt according to the manufacturer’s service procedure and inspect the drum, idler, motor pulley, and belt path.
4. Route the replacement belt around the drum and pulleys exactly as the original, keeping the ribs aligned with the grooved pulley.
5. Reassemble the dryer and run a supervised empty-drum test while checking for smooth rotation, tracking, and unusual noise.

Use a qualified appliance technician if the belt path, idler, pulley, or installation procedure is uncertain.

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Safety Disclosure

Prop 65 Warning: Cancer and Reproductive Harm – www.P65Warnings.ca.gov