Parts for CS310 — Echo

We found 25 parts confirmed to fit the Echo CS310.

Compatibility table

All 25 confirmed parts, ordered so parts that fit fewer models (more specific to this appliance) appear first.
Part #PartAlso fitsReference price
99944400395Clutch2 models$63.48 · Amazon
P021005581Oil Filler Cap2 models$8.48 · Amazon
C411000041Cover-handle3 models$8.24 · Amazon
C300000402Guard-sprocket3 models$19.55 · Amazon
13211544331Grommet4 models$2.21 · Amazon
V203000110Bolt5 models$8.28 · Amazon
13201309820Clip5 models$1.00 · Amazon
A556000543Drum-clutch5 models$42.69 · Amazon
V265000200Nut5 models$2.19 · Amazon
V485001080Wire5 models$4.50 · Amazon
14A0CD3752CChain Bar6 models$65.58 · Amazon
V225000031Guide Stud Bar6 models$6.40 · Amazon
5574Hanger Bracket6 models$3.63 · Amazon
V651000011Gear7 models$9.22 · Amazon
13211501461Grommet7 models$1.75 · Amazon
10014212330Woodruff Key7 models$2.96 · Amazon
2218Shade Glass10 models$6.00 · Amazon
C450000213Trigger-throttle14 models$7.23 · Amazon
91PX45CQ12 Saw Chain16 models$40.69 · Amazon
P021037920Cap Asy - Orange16 models$14.36 · Amazon
91PX52CQSawing Chain - 14 In. -- Xtrag20 models$47.20 · Amazon
91PX57CQSawing Chain - 16 In. -- Xtrag25 models$50.47 · Amazon
V186000510Chainsaw Joint Pipe30 models$6.40 · Amazon
V490001240Clip30 models$6.40 · Amazon
X602000080T-wrench 13x19 L=18030 models$6.40 · Amazon

Prices shown are an informational reference range only, not an offer or an Amazon price — RepairKitHub does not sell parts directly. Each part links to an Amazon search so you can compare current listings yourself.

Common failure areas on this model

The confirmed parts above group into a handful of failure areas. Here is what each points to and how to check it before you order anything.

General hardware and mounting parts

Symptom: A small mechanical or mounting part has failed, cracked, or gone missing.

Check: Compare the physical shape and mounting points to the original piece, and confirm the exact part number against your model plate before ordering.

Parts in this group on CS-310: 99944400395 (Clutch), C300000402 (Guard-sprocket), V203000110 (Bolt), A556000543 (Drum-clutch), V265000200 (Nut), V485001080 (Wire), 14A0CD3752C (Chain Bar), V225000031 (Guide Stud Bar), V651000011 (Gear), 10014212330 (Woodruff Key), 2218 (Shade Glass), C450000213 (Trigger-throttle), 91PX45CQ (12 Saw Chain), 91PX52CQ (Sawing Chain - 14 In. -- Xtrag), 91PX57CQ (Sawing Chain - 16 In. -- Xtrag), V186000510 (Chainsaw Joint Pipe), X602000080 (T-wrench 13x19 L=180).

Storage, trim and cosmetic hardware

Symptom: A cracked shelf, broken door bin, worn hinge, or missing trim piece -- cosmetic and storage wear rather than a functional breakdown.

Check: Match the physical dimensions and mounting tabs of the old part before ordering; these pieces are often model-specific even between visually similar models.

Parts in this group on CS-310: P021005581 (Oil Filler Cap), C411000041 (Cover-handle), 13211544331 (Grommet), 13201309820 (Clip), 5574 (Hanger Bracket), 13211501461 (Grommet), P021037920 (Cap Asy - Orange), V490001240 (Clip).

Before you buy

Match CS310 exactly against the model and serial plate on the appliance itself before ordering anything — a single mismatched character can point to a different production run with different parts. Then check the part number printed or stamped on the part you are replacing against the part numbers in the table above; the printed number is the most reliable way to confirm fitment when a model has gone through multiple production runs. RepairKitHub does not sell parts directly — every part link above routes to an Amazon search for that part number so you can compare current listings and sellers yourself.

How to confirm this is your model

Check inside a door opening, on a back or side panel, or behind a removable panel or drawer for a label printed with the model and serial number. Match every character exactly, including letters and dashes at the end — appliance model numbers often have similar prefixes but different suffixes for different production runs.

Still not sure?

Use the model lookup tool to search by model or part number, or start from the symptom your appliance is showing.