Mechman
Mechman 170 Amp Racing Alternator Toyota Supra 1JZ 2JZ / Lexus SC300 3.0L - Black
Mechman 170 Amp Racing Alternator Toyota Supra 1JZ 2JZ / Lexus SC300 3.0L - Black
Regular price
$374.00 USD
Regular price
Sale price
$374.00 USD
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- Tracking emailed when it ships
- Free fitment check before you order
Listed for: Toyota Supra 1JZFitment notes & questions
170 Amp Racing Alternator from Mechman, listed for Lexus and Toyota with the 3.0L engine. The alternator charges the battery and powers the car while it runs; the starter turns the engine over.
Quick facts
- Brand: Mechman
- Part type: Charging part
- Listed for: Lexus and Toyota
- Engine: 3.0L
Listed fitment
- Guide:
Good to know
- NOTE: A 4 gauge or larger positive and negative cable needs to be run between the alternator and the battery terminals for proper function. A larger race pulley can be special ordered for vehicles operating above 7,500+ RPM engine speeds.
Tip: Disconnect the battery before working on the alternator or starter, and clean the cable ends.

Before you order: Toyota Supra 1JZ charging part fitment
The alternator charges the battery and powers the car while it runs; the starter turns the engine over.
Fitment notes
- Listed for: Toyota Supra 1JZ.
- Engine: check the engine size listed against your vehicle's VIN or under-hood label.
- Specs, lead time and warranty come from Mechman and can change. The details above this guide are the latest we have.
Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentPlan the whole job
- Battery. A weak battery is hard on a new alternator.
- Drive belt. A slipping belt mimics a bad alternator.
More for your car: Alternators · Toyota Parts · Batteries & electrical
Questions about Toyota Supra 1JZ charging part
Will this fit my Toyota Supra 1JZ?
It is listed for the Toyota Supra 1JZ. Check your year, model, engine and trim against the title and details above. If anything is different, contact us and we will confirm fitment before you order.
How do I know if it is the battery or the alternator?
A parts store or multimeter test of voltage with the engine off and running tells you.
Where do specs and warranty details come from?
From Mechman. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
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