Home Products Alternators 1117900 24 V 50 A Alternator
1117900 24 V 50 A Alternator
  • Alternators

  • New

  • Elecdura

  • 24V

  • Delco Remy

  • IR/EF; 1-wire

  • 50 A

Request Wholesale Quote
107-7977CATERPILLAR
1322156CATERPILLAR
3675174RXCUMMINS
3920618CUMMINS
10459026DELCO
1117900DELCO
19010111DELCO
19010200DELCO
7642LESTER
8002LESTER
8003LESTER
8007LESTER

Ordering Information for 1117900 Alternator

Elecdura supplies aftermarket alternators to parts distributors, dealers and other business buyers. We work with companies only. We do not accept retail orders or orders from individual buyers.

For a quote on the 1117900 Alternator (24 V, 50 A), send your company name, required quantity and destination market. Include the part number and vehicle or equipment details. Photos of the existing unit can help us check the required model. You can include this item in a wider parts enquiry. We confirm price, availability, packaging and delivery terms for each enquiry.

Applications for 1117900 Alternator

For lower-output 24 V 21SI units with a 6 mm battery stud and one-wire connection.

Specification for 1117900 Alternator

SpecificationValue
Terminals6 mm B+ stud, 4 mm R terminal and 4 mm I terminal
Ground polarityNegative ground
WiringOne-wire connection
Unit series21SI

Frequently Asked Questions About the 1117900 alternator

Which terminals does the 1117900 alternator have?

The 1117900 alternator has 6 mm B+ stud, 4 mm R terminal and 4 mm I terminal.

Where does the 1117900 alternator fit?

The 1117900 alternator is for lower-output 24 V 21SI units with a 6 mm battery stud and one-wire connection.

Does the 1117900 alternator replace Caterpillar 107-7977?

The 1117900 alternator is a replacement for Caterpillar 107-7977.

Where does the charging current from the 1117900 alternator go?

The main output connection on the 1117900 alternator carries charging current to the battery. Resistance in that cable or its terminals can leave the battery undercharged even when voltage is normal at the alternator.

Can I order the 1117900 alternator with custom packaging or my company’s logo?

For a quote on the 1117900 alternator, send the quantity, destination and packaging requirements. For a logo on the alternator itself, include the artwork and marking location. We’ll confirm marking and packaging options, the minimum order, lead time and any sample requirements in your quote.

Meet Elecdura

We vet factories against your quality requirements and compare quotes to help control purchasing costs. You can source multiple product categories through one partner, reducing the time spent finding and managing suppliers.

LET’S TALK ABOUT WHAT’S NEXT.
CONTACT
PHONE / WHATSAPP
+86 18915027366
OFFICE
Creative Industry Park, 
ChangZhou, China 213022
EXPLORE
PROGRAMS

New to Range

SOLUTIONS

OEM & Private Label

RESOURCES
© 2026 ELECDURA. All rights reserved.
THE ELECDURA TEAM · GLOBAL PARTS NETWORK