Retainer
SPRING RETAINER 1.803 DIA SST
- Catalogue reference number
- 18879A004
- Catalogue brand
- Myers
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 | 0.21 lb (≈ 0.10 kg, converted) |
| Width | 4.6 cm |
| Height | 4.6 cm |
| Depth | 1.4 cm |
Catalogue description records
This is the 1.803 in. diameter SST spring retainer, a retainer that holds the spring in its installed position within the assembly. The name lists a 1.803 in. nominal diameter and an SST (stainless steel) designation. It is an aftermarket replacement that interchanges with Myers part number 18879A004 and fits the Myers C40 and C40-20 pumps. It weighs about 0.21 lb.
A retainer holds a seal, bearing or related part in its installed position within the assembly.
Catalogue question records
Original catalogue questions are retained. Fitment and availability need technical review.
- Which pumps does this spring retainer fit?
- It fits the Myers C40 and C40-20 pump models.
- What do "1.803 DIA" and "SST" mean?
- 1.803 DIA is the retainer's nominal diameter of 1.803 inches, and SST is the stainless-steel designation given in the part name. The retainer holds the spring in its installed position within the assembly.
- What part number does it cross-reference?
- It is an aftermarket replacement that interchanges with Myers part number 18879A004; the brand and number are listed for identification only.
Check the original reference
Search original filenames and model text here. Check part numbers inside the PDF. No associated model is selected or shortened automatically.
Prepare a review checklist
Entries on this page are not sent or saved automatically. Copy and save them before leaving.
Starts blank. Catalogue or manual quantities are not copied into your request.
Nothing has been sent.
Technical review & contact
Include the nameplate, original part number, manual page and the quantity you need. Check the original request before sending.