


Split Backup Rings 45mm x 55mm x 3mm - Nylon
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Split Backup Rings 45mm x 55mm x 3mm - NylonProduct Details : Split Backup Rings 45mm x 55mm x 3mm Nylon Part No: BU045055030ST N Product Category: Rod Seals Product Type: Split Backup Rings Material(s): Nylon Temperature Range: 40F to +250F ( 40C to +121C) System Of Measurement: Metric Dimensions: 45mm x 55mm x 3mm Nominal I. D. (d): 45mm Nominal O. D. (D): 55mm Nominal Height (H): 3mm Nominal Cross Section: 5mm Details: This series of backup rings are used in conjunction with U Cup type rod
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Your Split Backup Rings 45mm x 55mm x 3mm - Nylon orders ship within 1-2 business days.
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- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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4.2 ★★★★★
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Product Reviews
★★★★★ 5
Great
Size: 1.9" x 9.9" x 11.4"
Great value for the money and easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
★★★★★ 5
nice quality
Size: 1.9" x 9.9" x 11.4"
I happen to be a fan of K&N air filters. Fit perfect in my vehicle. Seems like a much nicer quality filter than the cheapo filters from the parts store.
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Reviewed in the United States on March 7, 2026
★★★★★ 5
excellent product
Size: 1.9" x 9.9" x 11.4"
easy to install
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Reviewed in the United States on March 21, 2026
★★★★★ 5
Great purchase!
Size: 1.9" x 9.9" x 11.4"
This has worked out quite well. I have had it since 2023 and have been cleaned thru about 6 maintenance schedules. It's been 2 yrs and it's in great shape. Worth every penny.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 21, 2025
★★★★★ 4
Really filters the cabin air
Size: 1.9" x 9.9" x 11.4"
K&N filters are always a cut above. Can’t say the same for service/support after the sale.
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Reviewed in the United States on March 31, 2026
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