Other Pump Part
303070 Hardened Chrome Liner, 6 Inch, Tulsa Triplex TT-450/660/680, Shorty
- Catalogue reference number
- Not recorded
- Catalogue brand
- Not recorded
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 | 8.75 in 22.2cm |
| Width | 8.75 in / 22.2 cm |
| Height | 11.50 in / 29.2 cm |
| Depth | 6 in |
Catalogue description records
The 303070 Hardened Chrome Liner is a 6-inch "Shorty" cylinder liner for the fluid end of a Tulsa Triplex pump, providing the replaceable bore in which the piston reciprocates on every stroke. It is sized to fit the TT-450 pump. As a primary wear surface in the fluid end, it is a routine service item, and is supplied as an aftermarket replacement part under part number 303070.
This is a replacement part for the listed reciprocating pump models, supplied to match the original component's form and fit.
Catalogue question records
Original catalogue questions are retained. Fitment and availability need technical review.
- Which pump does the 303070 liner fit?
- It is listed to fit the Tulsa Triplex TT-450. The product name also references the TT-450/660/680 series and the "Shorty" short length.
- What does "Shorty" mean here?
- "Shorty" indicates the short-length version of this 6-inch hardened-chrome liner for the Tulsa Triplex fluid end.
- Is 303070 an OEM liner?
- It is an aftermarket replacement liner supplied under part number 303070 to match the Tulsa Triplex fluid end by form and fit.
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