Parts for CS40EA — Hitachi
We found 109 parts confirmed to fit the Hitachi CS40EA.
Compatibility table
| Part # | Part | Also fits | Reference price |
|---|---|---|---|
| 6685439 | Bar cover14 | This model only | $5.20 · Amazon |
| 6698527 | Brake Link | This model only | $2.63 · Amazon |
| 6696900 | Brake Spring | This model only | $3.24 · Amazon |
| 6696854 | C-Clip | This model only | $2.72 · Amazon |
| 6696912 | CHAIN BAR 15 INCH (ALTERNATIVE PARTS) | This model only | — · Amazon |
| 6687296 | Chain16.325 micro lite | This model only | $27.65 · Amazon |
| 6698433 | Chainsaw Carburetor Assembly | This model only | $211.73 · Amazon |
| 6687284 | Chainsaw Chain, 18-in | This model only | $28.60 · Amazon |
| 6698464 | Choke | This model only | $2.29 · Amazon |
| 6696852 | Cover Packin | This model only | $2.65 · Amazon |
| 6696873 | Damper | This model only | $2.65 · Amazon |
| 6696891 | Element Cleaner | This model only | $14.62 · Amazon |
| 6698448 | Engine Sub Assembly | This model only | $37.00 · Amazon |
| 329934 | Flange Nut M | This model only | $2.22 · Amazon |
| 6696872 | Flat Tap Spring | This model only | $2.65 · Amazon |
| 6696910 | Gas Chainsaw Chain, 18-in | This model only | $4.91 · Amazon |
| 6696902 | Guide Plate | This model only | $2.89 · Amazon |
| 6698442 | Hex Socket | This model only | $2.65 · Amazon |
| 6690766 | Idler Arm Spring | This model only | $2.87 · Amazon |
| 6698416 | Ignition Coil | This model only | $92.40 · Amazon |
| 6698461 | Insulated Carburetor | This model only | $5.29 · Amazon |
| 6698419 | Intake | This model only | $4.64 · Amazon |
| 6696884 | Lawn & Garden Equipment Needle Bearing | This model only | $8.02 · Amazon |
| 6698445 | Lawn & Garden Equipment Needle Bearing | This model only | $6.75 · Amazon |
| 6698990 | Lawn Mower Handle | This model only | $31.69 · Amazon |
| 6696874 | Muffler Gauz | This model only | $2.29 · Amazon |
| 6696868 | Oil Grommet | This model only | $2.28 · Amazon |
| 6696893 | Oil Pump Cover | This model only | $2.82 · Amazon |
| 6696895 | Packing Intake | This model only | $2.65 · Amazon |
| 6698526 | Piston Ring | This model only | $61.56 · Amazon |
| 6696887 | Pump Gear | This model only | $43.51 · Amazon |
| 6696871 | Rear handle | This model only | $28.55 · Amazon |
| 6698432 | SPARK PLUG BPM-7A (ALTERNATIVE PARTS) | This model only | — · Amazon |
| 6698407 | Scavenging C | This model only | $4.89 · Amazon |
| 6696865 | Shim | This model only | $2.62 · Amazon |
| 6696904 | Shutter Plate | This model only | $2.65 · Amazon |
| 6698431 | Starter Assembly | This model only | $67.64 · Amazon |
| 6696877 | Starter Pawl | This model only | $2.43 · Amazon |
| 6696878 | Step Bolt | This model only | $2.62 · Amazon |
| 311945 | Tap Screw | This model only | $2.27 · Amazon |
| 6696880 | Bolt Washer | 2 models | $2.62 · Amazon |
| 6698423 | Brake Band | 2 models | $7.40 · Amazon |
| 6696982 | Chainsaw Bar, 18-in | 2 models | $65.02 · Amazon |
| 6698986 | Chainsaw Chain Puller Bolt | 2 models | $12.64 · Amazon |
| 6698454 | Chainsaw Clutch Cover (Green) | 2 models | $43.89 · Amazon |
| 6698424 | Cleaner Cover | 2 models | $6.55 · Amazon |
| 6696881 | Clutch Housing | 2 models | $16.50 · Amazon |
| 6696882 | Clutch Washer | 2 models | $2.43 · Amazon |
| 6698441 | Crank Case S | 2 models | $49.40 · Amazon |
| 6696853 | Crankshaft | 2 models | $67.64 · Amazon |
| 6698430 | Cylinder | 2 models | $80.84 · Amazon |
| 6696870 | Damper | 2 models | $2.62 · Amazon |
| 6685213 | Diaphragm Pulley | 2 models | $6.78 · Amazon |
| 6696907 | Element Cleaner | 2 models | $3.87 · Amazon |
| 6696908 | Element Cleaner | 2 models | $5.80 · Amazon |
| 6698460 | Exhaust Plate | 2 models | $2.62 · Amazon |
| 6698436 | Fitting | 2 models | $2.22 · Amazon |
| 6696879 | Flywheel Nut | 2 models | $2.28 · Amazon |
| 6696898 | Guide Plate | 2 models | $2.43 · Amazon |
| 6698429 | Holder Spring | 2 models | $3.87 · 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.
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 CS40EA: 6685439 (Bar cover14), 6696900 (Brake Spring), 6696854 (C-Clip), 6696852 (Cover Packin), 6696872 (Flat Tap Spring), 6698990 (Lawn Mower Handle), 6696868 (Oil Grommet), 6696893 (Oil Pump Cover), 6696871 (Rear handle), 311945 (Tap Screw), 6698454 (Chainsaw Clutch Cover (Green)), 6698424 (Cleaner Cover), 6696881 (Clutch Housing), 6698436 (Fitting), 6698429 (Holder Spring).
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 CS40EA: 6698527 (Brake Link), 6696912 (CHAIN BAR 15 INCH (ALTERNATIVE PARTS)), 6687296 (Chain16.325 micro lite), 6698433 (Chainsaw Carburetor Assembly), 6687284 (Chainsaw Chain, 18-in), 6698464 (Choke), 6696873 (Damper), 6696891 (Element Cleaner), 6698448 (Engine Sub Assembly), 329934 (Flange Nut M), 6696910 (Gas Chainsaw Chain, 18-in), 6696902 (Guide Plate), 6698442 (Hex Socket), 6698416 (Ignition Coil), 6698461 (Insulated Carburetor), 6698419 (Intake), 6696884 (Lawn & Garden Equipment Needle Bearing), 6698445 (Lawn & Garden Equipment Needle Bearing), 6696874 (Muffler Gauz), 6696895 (Packing Intake), 6698526 (Piston Ring), 6696887 (Pump Gear), 6698432 (SPARK PLUG BPM-7A (ALTERNATIVE PARTS)), 6698407 (Scavenging C), 6696865 (Shim), 6696904 (Shutter Plate), 6698431 (Starter Assembly), 6696877 (Starter Pawl), 6696878 (Step Bolt), 6696880 (Bolt Washer), 6698423 (Brake Band), 6696982 (Chainsaw Bar, 18-in), 6698986 (Chainsaw Chain Puller Bolt), 6696882 (Clutch Washer), 6698441 (Crank Case S), 6696853 (Crankshaft), 6698430 (Cylinder), 6696870 (Damper), 6696907 (Element Cleaner), 6696908 (Element Cleaner), 6698460 (Exhaust Plate), 6696879 (Flywheel Nut), 6696898 (Guide Plate).
Drive system (belts, pulleys, motors)
Symptom: A drum or tub that won't turn, a burning-rubber smell, or a loud thump or squeal during a cycle.
Check: With power off, turn the drum or tub by hand -- resistance or grinding points to the motor or a bearing, and a cracked, glazed, or snapped belt is visible once the cabinet is open.
Parts in this group on CS40EA: 6690766 (Idler Arm Spring), 6685213 (Diaphragm Pulley).
Before you buy
Match CS40EA 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.