A1791 12V 140A Alternator Fits Chevrolet Caprice, Pontiac Trans Sport

Price range: £166.22 through £215.77

The A1791 12V 140A Alternator is a replacement charging unit from Sahibs Auto Electrics. Listed applications include selected Chevrolet Caprice, Pontiac Trans Sport models. Identification references include Lucas LRA01791, Bosch F042300050, Delco Remy 10463338. Its listed 12V 140A rating provides an electrical matching point for your existing unit. Check the 6-groove pulley, connections and mounting arrangement. Check the current condition options and availability before purchase. Match the exact engine and production details before ordering. Buy your A1791 replacement alternator online from Sahibs Auto Electrics for UK delivery or Click & Collect.

SKU: A1791 Category:

Product Specification

DescriptionValue
AMP140 A
Volt12 V
No. of Grooves6 qty
Pulley Diameter56 mm
Mounting holes2 qty
Insulated ReturnNo
Water cooledNo
Vacuum pumpNo
Start/StopNo
Weight6.92 Kg

Cross Reference

Reference NumberBrand
DYA1791Dyno Electrics
0986CR0616Bosch Exchange
0986UR0616Bosch Exchange
10463338Delco Remy
10463678Delco Remy
10479891Delco Remy
10480201Delco Remy
112884HC-Cargo
8112NWAI
8112RWAI
835042140PSH
90014130Wilson
A1384Dixie
A17675Lucas
AL8691XBosch (USA)
ALT1070Unipoint
ALT40091Wood Auto
F042300050Bosch
F042A00050Bosch
LRA01791Lucas
LRA1791Lucas
WOOALT40091Wood Auto

Vehicle Applications

BrandModelEngineEngine CodeSeriesModel TypeTypeYear
CHEVROLETCaprice4.3 (4321ccm) PetrolL99(264CUV8)1BL1991 - 1996
PONTIACTrans Sport3.8 (3791ccm) PetrolL27APVUM061989 - 1997

Description

A1791 Replacement Alternator

Start your A1791 alternator comparison with the linked Lucas reference LRA01791 and the specifications shown on this page. The listed electrical rating is 12V 140A. An alternator maintains battery charge and supplies electrical power while the engine runs. Applications include selected Chevrolet Caprice 4.3 Petrol variants.

Key Features and Benefits

  • 12V electrical system: match the vehicle voltage before selecting a unit.
  • 140A output: compare the listed rating with the original alternator.
  • 6-groove pulley: check belt profile and alignment against the existing unit.
  • 2 mounting holes: compare the fixing pattern and unit position.

Compatible Vehicles and Applications

  • Chevrolet Caprice 4.3 Petrol – selected applications 1991–1996 (engine code L99(264CUV8)).
  • Pontiac Trans Sport 3.8 Petrol – selected applications 1989–1997 (engine code L27).

These are selected applications, not the complete fitment list. Check the detailed vehicle compatibility table, engine code and production year, then compare the original unit before ordering.

OE Numbers and Cross-Reference Information

The following cross-reference numbers are associated with A1791. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.

0986CR0616, 0986UR0616, F042300050, F042A00050, LRA01791, A17675, LRA1791, 10463338, 10463678, 10479891, 10480201

The full manufacturer cross-reference and OE listings are available elsewhere on this page. Confirm whether a number is an OE or aftermarket reference when comparing the original unit.

When Should You Replace Your Alternator?

Charging warning lights, repeated loss of battery charge, dim or fluctuating lights and inconsistent electrical operation can indicate a charging-system problem. Battery condition, wiring and the drive belt can produce similar symptoms; arrange a diagnostic check before replacing the alternator.

Why Buy from Sahibs Auto Electrics?

Sahibs Auto Electrics is a UK automotive electrical parts specialist supplying alternators and starter motors. Ask for help identifying A1791 using the existing part number and vehicle details. Check the current condition options and availability before purchase. Buy online for UK delivery or Click & Collect, checking the current order arrangements.

Frequently Asked Questions

Will A1791 fit my Chevrolet Caprice?

Chevrolet Caprice 4.3 Petrol (1991–1996) is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.

Does A1791 replace Lucas LRA01791?

Lucas LRA01791 is a listed identification reference. Compare it with the original unit and specifications; a cross-reference does not guarantee compatibility by itself.

What specifications are listed for A1791?

The listed details include 12V, 140A output, 6 pulley grooves. Compare the complete specifications on this page with the unit being replaced.

Is A1791 new or remanufactured?

Check the current product condition selection for A1791. Confirm the supplier and availability of the option you want before completing the order.

What should I compare before ordering A1791?

Compare 12V compatibility, 140A output, pulley configuration, mounting points and electrical connections with the original alternator.

Does a battery warning light prove the alternator has failed?

No. Battery, belt, wiring and control faults can also affect charging. Use a charging-system test to establish the cause before ordering a replacement.

Need Help Finding the Right Part?

Send us your existing part number or cross-reference, and our team can help identify the correct unit.