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Close-up of DURA MO-021 1" O-ring next to a 1" Schedule 40 gray manifold fitting, product on white background.

DURA MO-021 1" O-Ring Replacement for 1" Manifold Systems

Brand: DURA
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$2.53
$1.90
SKU MO-021

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Replacement O-ring designed for DURA MO-021 1" manifold systems. This precision seal fits 1" swivel manifold fittings and provides a reliable, leak-resistant connection for irrigation and specialty piping assemblies.

  • Exact replacement for part MO-021; sized for 1" manifold swivel fittings.
  • Designed for O-ring sealed manifold connections - do not use pipe paste, thread dope, or Teflon tape.
  • Compatible with DURA 1" manifold series (including common swivel and tee fittings).
  • Manufactured to work with Schedule 40 gray PVC manifold components; intended for field service replacement.
  • Lightweight, low-profile design for straightforward installation and long-term sealing performance.

For material specifications, packaging, and compatibility details, refer to the DURA Special Piping Components catalog and the manufacturer's product page. Keep spare O-rings on hand for seasonal maintenance and inspect fittings for wear before reinstalling.

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