Description
Vehicle Compatibility
Complete alternator rectifier for Bosch alternator applications where the alternator uses a matching 114mm outer diameter rectifier plate and the same diode configuration. Specified as Bosch IR/EF (K1) type with 6 diodes, 35A rating, push-on terminals, and supplied with diode trio (without W-terminal). Used across a wide range of European vehicle alternators where the OE number and rectifier dimensions match. Confirm by alternator label, rectifier OD and terminal layout before ordering.
- VAG (Audi / VW / Seat / Skoda): 028903359; 028903359A; 036903359B; 046903359B; 049903359; 049903359E; 049903359F; 052903371A; 056903371A; 059903371A; 059903371B; NG32033229; 0003980591
- BMW: 12311354682
- Ford: 71BB10304BA; 72GB10304AA; 74EB10304AA; 74EB10304BA; 75BB10304AA; 75EB10304AA; 82DB10304BA; 85BB10304BA
- Mercedes-Benz: 0001541316; 0001541416; 0001542016; 0001542416; 0001542916; 0001543216; 0001545016; 0001546416; 0001546816; 0001547616; 0001548116; 0001548216
- Opel: 1205561
- Saab: 8518854
- Volvo: 3544567; 6239264
- Scania: 305158
- Steyr: 61000090743; 61200090706; 61200090743
- Alfa Romeo / Fiat / Lancia: 60749249; 60755038; 60777846; 701655; 9939571; 9944736; 9950059
Specifications
- Reference: RCT1002
- Part Type: Alternator Rectifier
- Alternator Manufacturer: Bosch
- Type: IR/EF (K1)
- Outer Diameter: 114mm
- Current Strength From: 35A
- Number Of Diodes: 6
- Terminals: Push-On Terminals
- Supplied With: Diode Trio
- W-Terminal: Without W-Terminal
- Cross Reference: 1127320613
- Other Reference: 0120400/489; 0303406M
Features
- Bosch rectifier assembly to support alternator overhaul on compatible IR/EF (K1) alternators
- 114mm rectifier plate with 6 diode layout designed for matched Bosch housings
- 35A rating with diode trio included to restore correct rectification and charging stability
- Push-on terminals for compatible wiring layouts and straightforward alternator rebuild work
- Without W-terminal to match alternators that do not use a W output connection
Why Buy From Us
- Local South African stock with nationwide courier delivery
- 12-month warranty subject to correct application and installation
- Fitment support using alternator labels and clear photos of the existing rectifier and terminal layout
- Trusted by workshops and fleet operators for dependable charging system components
Trusted by thousands of South African drivers for quality and durability.
Installation & Maintenance Tips
- Disconnect the battery before alternator removal or rectifier replacement
- Confirm rectifier outer diameter (114mm) and terminal layout before fitting
- Inspect stator condition, solder joints, and insulation while the alternator is open
- Replace worn brushes and check slip rings during the rebuild to prevent repeat failures
- After installation, verify charging voltage under load and check for abnormal AC ripple
- If you are unsure about alternator repairs, have the unit fitted and tested by a qualified auto electrician
Important: Product information, kit contents and compatibility are provided as a guide and may contain errors or omissions. Please verify that this part and any included components are correct for your vehicle before installation. For full details see our Website Disclaimer (Errors & Omissions).