Catalogue reference. Availability, exact specification and OEM or aftermarket supply are confirmed in your quotation.
Alternator component
alternatorPart number: 400-52343
J&N 400-52343 is a 12 V, 70 A alternator with clockwise rotation, an internal regulator and a solid six-groove pulley. Confirm the existing unit and vehicle details before ordering.
Looking for J&N 400-52343? This catalogue reference is listed under alternator. Send the part number and your equipment details so we can confirm the specification, availability and a quotation including shipping.
Availability on request
Technical specifications
| Manufacturer | J&N |
|---|---|
| Part number | 400-52343 |
| Category | Electrical & controls |
| Availability | On request |
| Reference basis | Manufacturer part-number reference; supply origin requires quotation confirmation |
| Voltage | 12 V |
| Rated current | 70 A |
| Rotation direction | Clockwise |
| Voltage regulator | Internal |
| Fan location | Internal |
| Polarity | Negative |
| Pulley type | Solid |
| Pulley grooves | 6 |
| Pulley outside diameter | 57 mm |
| Pulley groove diameter | 52 mm |
| Mounting hole 1 diameter | 10.5 mm |
| Mounting hole types | Holes 1 and 2 unthreaded |
| Mounting ear thicknesses | Ear 1: 35.2 mm; ear 2: 57.8 mm |
| Terminals | B+: M6 x 1.00; S, IG and L: spade |
| Regulator clock position | 12:30 |
Catalogue information may contain errors or be out of date. Full specifications and verified details are available on request. Confirm the part number and equipment fitment with us before ordering.
Product questions
Is J&N 400-52343 a complete alternator and what is its output?
J&N identifies 400-52343 as an alternator rated at 12 V and 70 A. It has an internal voltage regulator and rotates clockwise.
Will 400-52343 fit a 2000–2002 Toyota Tundra 4.7L?
J&N lists the 2000–2002 Tundra 4.7L as an application, but this does not establish fit for every vehicle. Check the vehicle VIN, existing alternator number, output rating, mounting and connector before ordering.
What pulley and mounting dimensions should I compare?
The listed solid pulley has six grooves, a 52 mm groove diameter and a 57 mm overall outside diameter. Mounting hole 1 is 10.5 mm in diameter; both mounting holes are unthreaded. Compare these details with the existing alternator.
What electrical terminals does 400-52343 have?
J&N lists a B+ terminal with an M6 x 1.00 thread and S, IG and L spade terminals. Compare the existing connector and terminal arrangement before ordering.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.