Toyota 1HZ Reconditioned Fuel Injection Pump
Our Toyota 1HZ reconditioned fuel injection pump units are rebuilt to factory standards and customized to your build requirements. Whether you’re keeping your 1HZ engine stock or chasing 250+ horsepower, we’ve got you covered with both standard and boost-compensated options.
Standard Reconditioned Fuel Pumps
These are fully rebuilt injector pumps to Toyota’s original specifications — perfect for standard 1HZ engines without aftermarket turbo setups.
Boost Compensated Injector Pumps
Planning a performance build? When fitting a 10mm or 12mm boost-compensated Toyota 1HZ reconditioned fuel injection pump — along with a front-mount intercooler, 3” exhaust system, and an upgraded clutch — you can achieve:
180–250hp with our standard 12mm pumps
Up to 300hp with our high-horsepower variant
Please let us know your desired power figures and vehicle modifications at checkout. We will configure the pump to your specific requirements.
Why Choose Our Custom Pumps?
Our custom boost-compensated fuel injector pumps are designed to allow for precise fuel adjustment during dyno tuning, which results in:
Improved fuel efficiency
Increased power
Reduced black smoke at low RPM
If you have any questions or need help choosing the right pump, contact us at:
📧 sales@hassardindustries.com
When Installing Your Fuel Pump
To ensure correct fitment and performance:
Check your vehicle’s fuel primer pump for air leaks
Replace the fuel filter with a new one
If using a 10mm or 12mm pump, install an electric lift pump — we recommend the Carter P4600 rotary push pump, installed as close to the fuel tank as possible
The pump must be timed using a dial gauge and fuel pump timing tool, as per our provided specifications. This is standard procedure for this engine style.
Due to the custom nature of these pumps, minor fine-tuning may still be required post-installation.
🚨 We highly recommend dyno tuning the vehicle after fitment of your new 1HZ reconditioned fuel injection pump. This ensures:
Proper installation
Maximum performance
Prevention of drivability issues or potential damage
Exchange Policy & Build Time
Please allow 2 to 3 weeks for us to build your order
All units are sold on an exchange basis
No core refund will be issued if a fuel pump is not returned
To avoid restocking fees, return your old pump within 4 weeks
If you send your Toyota 1HZ reconditioned fuel injection pump in advance for reconditioning, no core charge will apply









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