• O-Ring, 1045-30 PACK 2 – FKM $31.95

    This FKM O-ring measures exactly 104.5 mm inner diameter with 3 mm thickness. You get a pack of 2 (PACK 2). It replaces Part #H02121090. This is a standard metric size under BS4518 (RM1045-30) . The FKM material handles high heat and harsh chemicals better than standard rubber.

  • O-ring, 105 x 3 mm – Viton, Part# 23950224 $10.80

    This is a high-quality Viton O-ring designed as a direct replacement for your Leybold vacuum pump. With a 105mm diameter and a 3mm cross-section, this part (23950224) provides a reliable seal to keep your system running smoothly .

  • 10 in stock

  • 10 in stock

  • O-ring, 107 x 2mm – Buna, Part# 320198 $5.52

    Leybold Sogevac pump runs smoothly with this high-quality Buna O-ring. Precisely sized at 107 x 2mm, this  provides a perfect, leak-proof seal. Made from durable Buna-N (Nitrile) material, it offers excellent resistance to oils and wear, helping to extend the life of your pump .

  • O-ring, 107 x 2mm – Viton, Part# 320198V $11.28

    Leybold Sogevac pump with this high-quality Viton O-ring.  sized at 107 x 2mm, this Part# 320198V creates a tight, chemical-resistant seal. Made from durable Viton (FKM) material, it stands up to high heat and aggressive chemicals, making it perfect for demanding applications .

  • 10 in stock

  • O-ring, 107.6 x 2.6 mm – Buna, Part# 2125300 $5.39

    This Buna O-ring measures exactly 107.6 mm inner diameter with 2.6 mm thickness. It replaces Part #2125300 (cross-reference OB-1050E) . This O-ring is specifically used on Edwards E2M28 and E2M30 pump models . The Buna-N (Nitrile) material offers great oil resistance at a fair price.

  • O-Ring, 107.63 x 2.62 – Nitrile $4.65

    This Nitrile O-ring measures exactly 107.63 mm inner diameter with 2.62 mm thickness. It replaces Part #H02124145 (cross-reference OV-1007). The Nitrile (Buna-N) material offers great oil resistance at a fair price. This is a standard size used in many vacuum pump applications.

  • O-ring, 109.5 x 3 mm – Viton, Part# 2122091 $6.16

    This Viton O-ring measures exactly 109.5 mm inner diameter with 3 mm thickness. It replaces Part #2122091   This O-ring is specifically used on Edwards EH Booster and QMB Blower pump families, including QMB250, EH250, QMB500, and EH500 models

  • O-Ring, 109.5 x 3.0 mm – FKM $29.17

    This FKM O-ring measures exactly 109.5 mm inner diameter with 3 mm thickness. It replaces Part #H02122091 (cross-reference OV-1551). This O-ring is used on Edwards EH Booster and QMB Blower pump families, including QMB250, EH250, QMB500, and EH500 models . The FKM material handles high heat and harsh chemicals better than standard rubber.

  • O-ring, 11 x 3.5 mm – Viton, Part# 320307 $4.08

     Leybold Sogevac pump with this high-quality Viton O-ring. Precisely sized at 11 x 3.5 mm, this Part# 320307 is a direct fit for the SV300B pump model . Made from durable Viton (FKM) material, it offers excellent resistance to heat, oil, and chemicals for reliable, long-lasting performance .

  • O-ring, 11.1 x 1.6 mm – Buna, Part# 02122009 $4.40

    This Buna O-ring measures exactly 11.1 mm inner diameter with 1.6 mm thickness. It replaces Part #02122009 . This O-ring is used on a wide range of Edwards pump families, including EH Booster, QMB Blower, and E1/E2M models, covering pumps like QMB250, EH250, QMB500, EH500, E2M28, and E2M30 . 

  • O-ring, 11.1 x 1.6 mm – Buna, Part# 2120009 $4.00

    This Buna O-ring measures exactly 11.1 mm inner diameter with 1.6 mm thickness. It replaces Part #2120009 . This O-ring is specifically used on Edwards E2M0.7, E2M1, and E2M1.5 pump models . The Buna-N (Nitrile) material offers great oil resistance at a fair price.

  • O-ring, 11.3 x 2.4 mm – Viton, Part# 23970417 $6.32

    Leybold pump with this high-quality Viton O-ring. sized at 11.3 x 2.4 mm, this Part# 23970417 is a critical component used across many Leybold Piston and Sogevac pump models . Made from durable Viton (FKM) material, it offers excellent resistance to heat and chemicals for reliable, long-lasting performance.

  • O-ring, 11.5 x 3 mm – Viton, Part# 23970111 $6.32

    Leybold Ruvac pump with this high-quality Viton O-ring. sized at 11.5 x 3 mm, this  is a critical component used across many Ruvac pump models . Made from durable Viton (FKM) material, it offers excellent resistance to heat and chemicals for reliable, long-lasting performance.

  • O-ring, 11.6 x 2.4 mm – Buna, Part# 02120033 $6.16

    This Buna O-ring measures exactly 11.6 mm inner diameter with 2.4 mm thickness. It replaces Part #02120033 This O-ring is specifically used on Edwards E1M18 and E2M18 pump models .

  • O-ring, 11.6 x 2.4 mm – Viton, Part# 02122033 $5.39

    This small Viton O-ring measures exactly 11.6 mm inner diameter with 2.4 mm thickness. It replaces Part #02122033. This O-ring is used inside Edwards XDS dry scroll pumps, booster pumps, and E1/E2M series oil pumps. The Viton material handles high heat and harsh chemicals better than standard rubber.

  • O-ring, 110 x 5mm – Viton, Part# 320199 $17.76

    Leybold Sogevac pump with this high-quality Viton O-ring. sized at 110 x 5mm, this Part# 320199 is a critical component used across many Sogevac pump models . Made from durable Viton (FKM) material, it offers excellent resistance to heat, oil, and chemicals for reliable, long-lasting performance .

  • O-ring, 110.72 x 3.53 mm – Buna, Part# 050245 $9.59

    This Buna O-ring (Part# 050245) creates a reliable seal inside your Kinney rotary piston vacuum pump. Measuring 110.72 mm inner diameter x 3.53 mm cross section, it is made of durable Buna-N (Nitrile) rubber. This O-ring fits many popular Kinney pump models including KT300C, KT500C, KT850C, KT300D, KT500D, and KT850D . It is also a key component in factory maintenance kits for these models .

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