100A Alternator without Vacuum Pump suitable for Nissan Patrol GQ GU TD42 TD42T
Part number: JAS Oceania ANJ409
An aftermarket 100A alternator for the Nissan Patrol TD42, for engines that do not drive the brake booster vacuum pump off the alternator. On the later TD42 the pump moved to the timing cover, so the alternator is a plain unit with a single V belt pulley.
Check which one you need before you order. Look at the back of your old alternator. A vacuum pump bolted to it with a hose to the brake booster means you want the ANJ029 or ANJ029HO, which has a twin V belt pulley. No pump means this one, with a single V belt pulley. The plug is RP19 on both, so the plug will not tell you apart. The belt grooves will.
🚗 Suitable for:
- Nissan Patrol GQ Y60 TD42 4.2L Diesel, without the alternator-mounted vacuum pump
- Nissan Patrol GU Y61 TD42 and TD42T 4.2L Diesel
📦 What’s included:
- 1 x JAS Oceania ANJ409 alternator, 100A
🛠️ Specifications:
- Voltage 12V, output 100A
- Pulley single A groove
- Plug RP19
- Adjusting hole M8 x 1.25, pivot hole 10mm
- Adjusting hole to pivot hole 175mm, inside foot to foot 81mm
⚙️ Why this one:
- New unit, not reconditioned or remanufactured
- Direct fit to the factory bracket and loom
- The ANJ409HO is the 130A version of the same alternator
❓ FAQs:
Q: Will it fit my GQ?
A: It fits a GQ that does not have the vacuum pump on the alternator. The change happened on the later TD42, so check the alternator rather than the year.
Q: Does it suit the turbo?
A: Yes, the TD42T as well as the naturally aspirated engine.
Q: Is it new or reconditioned?
A: Brand new.










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