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Hyundai 21Q6-42001 is the 24 V 90 A alternator with an 8 groove poly V pulley and built in regulator. It is used on Hyundai R140LC-7, R210LC-7, R225-7 and R215VS excavators. This aftermarket version has the same mounting and electrical connector as the original, so it plugs in and bolts on where the old one came off.
The same part is also sold as Valeo 2610987.
Sold as one unit. Check the number on your old part, or in the parts manual for your machine, before ordering.
| Part Type | Alternator |
| Replaces | Hyundai 21Q6-42001 |
| Type | Alternator with 8 groove poly V pulley (8PK) |
| Voltage | 24 V |
| Output | 90 A |
| Cross References | Valeo 2610987 |
| Fits | Hyundai R140LC-7; Hyundai R210LC-7; Hyundai R225-7; Hyundai R215VS |
| Condition | New, aftermarket |
| Stat. HS-Code | 851150 |
Hyundai machines
Check the part number on your old unit before ordering.
| Hyundai Part No.(SPM Part No.) | Fits |
|---|---|
| 21Q6-42001(SPM-HEP-3123) | Hyundai R140LC-7, Hyundai R210LC-7, Hyundai R225-7, Hyundai R215VS |
| Brand | Part No. |
|---|---|
| Hyundai | 21Q6-42001 (this page, SPM-HEP-3123) |
| Valeo | 2610987 |
All of these numbers are the same part.
Battery not charging
A charge warning light or flat batteries every morning point to the alternator once the belt and wiring check out.
Noise
A worn bearing whines or grinds.
Low voltage at idle
Weak output shows as dim lights and slow electrics at idle.
Fit with a new belt
Change the belt and check the tensioner when fitting the alternator.
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller | Price | Checked |
|---|---|---|
| eBay (12 aftermarket sellers) | USD 236.95 to 533.33 | 7 Oct 2026 |
| MyMROmarts | USD 248.99 | 7 Oct 2026 |
| Spare Part Mart | USD 189.56 | Today |
Our price of USD 189.56 is 20% to 64% less than these sellers.
Found this part cheaper somewhere else? Send us the listing and we will beat it by 5% under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.
No. It is an aftermarket part made to fit in place of Hyundai 21Q6-42001. It is not made by or affiliated with Hyundai; the Hyundai part number is used only to show what it replaces.
It fits Hyundai R140LC-7; Hyundai R210LC-7; Hyundai R225-7; Hyundai R215VS. Machines change parts between serial number ranges, so check the number on your old part or in your parts manual.
It has the same mounting and electrical connector as the original. Check the plug and terminals match your old part, and test it before putting the machine back to work.
Yes, we ship worldwide. Shipping is calculated at checkout, and every order is covered by our 30 day money back guarantee and price beat guarantee.
Prices depend on your postcode.
In USD for the quantity selected. The exact cost is confirmed at checkout.
