Gasket
Liner Gasket
- Catalogue reference number
- 316-049042-508
- Catalogue brand
- Aplex
Catalogue fields identify reference material. They do not confirm stock, OEM authorization or interchange. Verify the nameplate, original number and edition.

Catalogue model references
These are retained catalogue associations, not confirmed fitment for your equipment. Choose the model you want to review.
Catalogue specification records
| Original field | Recorded value |
|---|---|
| Weight | 0.03 lb (≈ 0.01 kg, converted) |
| Width | 5.00 in / 12.7 cm |
| Height | 5.00 in / 12.7 cm |
| Depth | 0.06 in / 0.2 cm |
Catalogue description records
This Liner Gasket is a static sealing gasket for the fluid end of reciprocating pumps, where it seals the joint between the cylinder liner and its mating face to contain pumped fluid and prevent leakage. It is sized to fit the Aplex SC-170DD and SC-170L pump models. Supplied as an aftermarket replacement part, it is cross-referenced to Aplex SKU 316-049042-508 for identification.
A gasket seals a bolted or clamped joint between two faces to prevent leakage of fluid, oil or pressure.
Catalogue question records
Original catalogue questions are retained. Fitment and availability need technical review.
- Which pumps does this liner gasket fit?
- It is sized for the Aplex SC-170DD and SC-170L pump models.
- What does this gasket do in the pump?
- It seals the joint at the cylinder liner so that pumped fluid is contained and does not leak past the mating face. It is a static seal that is renewed during fluid-end service.
- What part number is this cross-referenced to?
- It is an aftermarket replacement cross-referenced to Aplex SKU 316-049042-508; the brand and part number are used only for identification and do not indicate OEM manufacture.
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