Rod/Piston U-Seal (8400) 1.125" x 1.375" x 0.125" - Viton

Marsoni

M251S

$72.03

Get it in 3 business days with 1 day shipping. Friday, May 29

Rod/Piston U-Seal (8400) 1.125" x 1.375" x 0.125" - VitonProduct Details : Rod Piston U Seal (8400) 1. 125" x 1. 375" x 0. 125" Viton Part No: 840401125 4208 Product Category: Symmetrical Seals Product Type: Rod Piston U Seal Profile: 8400 Material(s): Viton Material Code: FPM Durometer: 90A Temperature Range: 5F to +400F ( 21C to +204C) Pressure Range: Hydraulic: 2000 PSI (138 Bar) Pneumatic: 250 PSI (17 Bar) Surface Speed: Hydraulic: < 1. 6 ft s (0. 5 m s) Pneumatic: < 3. 3 ft s (1 m s) System Of

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Great deal - pricing is fantastic making it easy to keep my little robo-vaccum running smoothly. The replacement parts are super easy to click into place - and having these multi packs will last a long time. Packaging is secure and the delivery was quick. The brush quality is excellent and function well with the exsisting parts already in place. These are not 'remakes' or 'versions' but an exact match to the originals. The replacement parts keep the same level of low noise and look intact. No guessing required. I'd recommend these for anyone with an Eufy RoboVac.

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Reviewed in the United States on January 14, 2026

Verified Purchase

Michael & Aimee Vaughn

Massapequa, US

★★★★★ 5

Stock up!

Size: Eufy A-21Packs

Exactly what I needed! Works great!

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Reviewed in the United States on May 18, 2026

Verified Purchase

James T.

Alexandria, US

★★★★★ 5

Great value

Size: Eufy B-18Packs

This 18-pack of replacement parts for the eufy L50 and L60 robot vacuums is very handy. It includes everything needed to keep the vacuum running smoothly, making maintenance easy and convenient. Great value for anyone who owns these models! better price than the OEM.

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Reviewed in the United States on March 30, 2026

Verified Purchase

Martini81

Alexandria, US

★★★★★ 5

Perfect Fit & Performance

Style: with Pre-Filter

These are an excellent, cost-effective alternative to OEM parts. The brushes and filters fit securely, restore full suction power, and hold up well to daily use. A must-have for maintaining a Eufy RoboVac without the high brand-name price tag.

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Reviewed in the United States on March 24, 2026

Verified Purchase

raj

Los Angeles, US

★★★★★ 5

Fits well

Style: with Pre-Filter

Good product

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Reviewed in the United States on May 22, 2026