Description
ATG10588 25SI Alternator 8N0999 298-8838 for CAT C15 C32 C7 TH48-E80 3512
ATG10588 25SI Alternator (8N0999, 298-8838) – Detailed Specifications & Compatibility
🔧 Key Specifications
- Part Number: ATG10588
- Alternator Model: Delco 25SI (Heavy-Duty)
- Voltage: 24V
- Amperage: 75A
- Rotation: Bi-Directional (BI) – Works in both CW & CCW rotation
- Regulator Type: Internal Regulator (IR)
- Mounting Type: Pad Mount
- Condition: Aftermarket (New Replacement)
✅ Compatible Equipment
Fits Caterpillar (CAT) & Cummins Engines, including:
- CAT Engines:
- C7, C15, C32
- TH48-E80 (Industrial Engine)
- 3512 (Large Diesel Engine)
- Other Industrial & Heavy-Duty Applications
🔄 Cross-Reference & OEM Part Numbers
| Brand |
Part Numbers |
| Caterpillar |
0R2415, 5Z1083, 8N0999, 298-8838 |
| Cummins |
214318, 3604225RX |
| Delco |
10459007, 10459011, 10459071, 10459076, 1117069, 1117238, 1117249, 1117256 |
| AC Delco |
321-655, 321-697 |
| International Harvester |
524023C91 |
| Arrowhead |
ADR0072, 400-12351 |
| J & N |
400-12080R |
| Lester |
7252 (New), 7270 (Old) |
| WAI Global |
20-178, 7252N |
| White |
V1114266 |
⚙️ Features & Applications
✔ Bi-Directional (BI) Rotation – Works in both clockwise (CW) & counter-clockwise (CCW) applications.
✔ 75A Output – Suitable for heavy-duty industrial, construction, and marine engines.
✔ Internal Regulator (IR) – No external voltage regulator needed.
✔ Pad Mount Design – Direct bolt-on replacement for CAT, Cummins, and other industrial engines.
🔍 Where is it Used?
- Construction Equipment (Excavators, Bulldozers, Loaders)
- Generator Sets (CAT 3512, C32, etc.)
- Truck & Off-Highway Vehicles (Mining, Agriculture)
- Marine & Industrial Power Units
⚠️ Installation Notes
- Verify 24V system compatibility before installation.
- Check mounting bracket alignment (pad mount style).
- Ensure proper belt tension to avoid slippage.
- Bi-directional rotation means no need to worry about pulley direction.
Warranty
Tianguan provides a 1-year limited warranty for new starters/alternators only. If the problem is caused by Tianguan, the seller pays all shipping costs. The warranty does not apply to improper installation, water/fire damage, modifications, or any natural disasters.
Returns
If the return is caused by the consumer (non-defective return), consumer should be responsible for the shipping fee. The specific fee should be based on the express company you choose. If the item problem is caused by Tianguan, contact us before return item, we will provide refund/exchange/or other way to solve it.No refund/exchange to provide if no notification before sending back items beforehand. If customer received damaged product, customer need to send email to linda@tgautoparts.com in 72 hours of item delivered. Customer need to send pictures/videos(use to proof related issues) in emails, Tianguan will recognize the return reason/confirm the issue. Our team will feedback to customer asap. ◉ Damaged Item Damaged merchandise includes items that are damaged during shipping. If you receive the package and then find shipping damage, please save all packaging material and paperwork and contact us immediately by mail linda@tgautoparts.come or other way you have. ◉ Technical Support We highly recommend professional installation for all of our products. We are not accepting any exchange or returns due to improper installation.
Shipping
Orders usually been shipped out within 1-2business days after payment has been cleared, Delivery in 5-7 working days .Orders made on Saturdays, Sundays, and holidays will be processed on the next business day. If there is any problem on your order, please feel free to contact our team by email(linda@tgautoparts.com) Please ensure that the shipping address you provide is accurate. We are not responsible for undeliverable addresses. Shipping address of P.O. BOX, APO, FPO or State of HI, AK, VI, PR. will not accepted.
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