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Jaylec
Black Series Alternator ALT 12V 170A, NISSAN PATROL GU W/- TD42T 4.2L TURBO DSL, 02-
BKS-170TD42
The Black Series high-output alternator works well for Nissan Patrol GQ and GU TD42 engines. It provides strong and dependable performance for tough 4WD and off-road setups. This 170A unit is designed to deliver a significant boost in electrical output.…
$733.50$815.00 Save $81.50
Jaylec alternators are designed and tested for use with standard lead-acid battery systems. These units are not suitable for direct use with lithium (LiFePO4) battery setups
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BUILT FOR THE TD42
A Hitachi style unit to suit the Nissan Patrol GQ and GU running the TD42 and TD42T engine
NOT FOR DIRECT LITHIUM
A DC to DC charger must sit between this alternator and any lithium bank. Connecting direct voids the warranty
170A REPLACES 90A
Nearly double the factory output, with the headroom a winch, fridge and dual battery setup actually need.
WIRING UPGRADE REQUIRED
Supplied as the alternator only. The factory positive cable is not rated for this output and must be upgraded, along with fusing, before the unit is run.
The Black Series high-output alternator works well for Nissan Patrol GQ and GU TD42 engines. It provides strong and dependable performance for tough 4WD and off-road setups. This 170A unit is designed to deliver a significant boost in electrical output. It helps your vehicle’s electrical system support many accessories. These include winches, fridges, lights, and dual battery setups.
The Black Series alternator is made to handle tough conditions. It has strong construction and high-quality parts. This ensures it is reliable and delivers power consistently over time. It’s a direct replacement for the factory alternator, making installation straightforward with no modifications required. Perfect for adventure-ready Patrols running multiple electrical accessories off-grid.
- Heavy‑duty internal components engineered for off‑road use.
- Linear power delivery for consistent charging.
- Significantly higher output than the OE 100 A alternator.
- Tested for rugged Australian conditions.
- Direct fit to Nissan Patrol GQ/GU TD42 engines with recommended wiring upgrades.
- Designed to support auxiliary electrical loads while maintaining battery charge.
Product170A high output alternator
Voltage12 V
Amperage170 A (high output vs OEM ~100 A)
Base TypeHitachi style unit
FitmentNissan Patrol GQ/GU with TD42 engine
Warranty12 months/20,000 km subject to testing and analysis
Recommended UpgradeBattery positive wiring to support increased output
