How can I relieve fuel pressure and perform maintenance on different types of fuel pulsation dampers on Lexus RX330?

To relieve fuel pressure, unplug the negative battery terminal cable and remove the engine cover. For four-cylinder models, disconnect the fuel supply line from the Fuel Pump Pulsator and remove the damper from the fuel rail. Detach the fuel line sub-assembly from the Fuel Pump Pulsator and remove the damper. Use a new O-ring and tighten the Fuel Pump Pulsator bolts. For V6 models, unscrew the pulsation damper from the fuel rail, remove and discard the old sealing washers, and install new sealing washers before tightening the damper. For SL engines, drain the engine coolant, remove the upper intake manifold, withdraw the Fuel Pump Pulsator from the fuel rail, install a new O-ring onto the damper, and then reverse the removal process.

Genuine Lexus RX330 Fuel Pump Pulsator

Fuel Pressure Pulsation Damper Assembly

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3 Fuel Pump Pulsators found

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Lexus RX330 Damper Assy, Fuel Pressure Pulsation
Part Number: 23270-62010
$98.11 MSRP: $130.55
You Save: $32.44 (25%)
Ships in 1-3 Business Days
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Product Specifications
- Replaced by: 23207-20011
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2004-2005 Lexus RX330 | STD | 6 Cyl 3.3L | 3MZFE; MCU33L-AWAGKA, MCU33L-CWAGKA, MCU38L-AWAGKA, MCU38L-CWAGKA
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Lexus RX330 Damper Assy, Fuel Pressure Pulsation
Part Number: 23270-31010
$117.24 MSRP: $156.01
You Save: $38.77 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: 23270-31140
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2006 Lexus RX330 | STD | 6 Cyl 3.5L | 2GRFE; GSU30L-AWAGKA, GSU30L-CWAGKA, GSU35L-AWAGKA, GSU35L-CWAGKA
View related parts
Lexus RX330 Damper Assy, Fuel Pressure Pulsation
Part Number: 23270-62011
$98.11 MSRP: $130.55
You Save: $32.44 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: 23207-20011
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2004-2006 Lexus RX330 | STD | 6 Cyl 3.3L | 3MZFE; MCU33L-AWAGKA, MCU33L-CWAGKA, MCU38L-AWAGKA, MCU38L-CWAGKA

Lexus RX330 Fuel Pump Pulsator

The Lexus RX330 Fuel Pump Pulsator is applied to steady fuel delivery for the in-tank electric fuel pump that pumps gasoline from the tank to the fuel injection assembly. Inside every Lexus RX330, this Fuel Pump Pulsator unit cooperates with the electric pump mounted next to the sending unit, which also sends a signal to the fuel gauge about the fuel level in the tank, to smooth out the flow on its way to the injectors. Earlier designs across the Lexus RX330 line applied an engine-mounted mechanical pump that fed a carburetor float bowl via a camshaft-driven lever, but more recent designs have the electric design built in with the Fuel Pump Pulsator inside the tank. The major difference is location and drive method, as mechanical units are on the engine block, and in electric plus Fuel Pump Pulsator submerged for consistent pressure in modern Lexus RX330 examples, the Fuel Pump Pulsator keeps pressure stable.

Should you need to purchase new auto parts for your vehicle, we strongly suggest you consider the genuine Lexus RX330 Fuel Pump Pulsator available on LexusPartsNow.com. Our OEM Lexus RX330 Fuel Pump Pulsator come with the reassurance of the manufacturer's warranty, a hassle-free return policy, and speedy delivery service, all at affordable prices online. Feel free to shop with confidence!

Lexus RX330 Fuel Pump Pulsator Parts Questions & Experts Answers

Damper Assy, Fuel Pressure Pulsation
23270-62010
Q: How can I relieve fuel pressure and perform maintenance on different types of fuel pulsation dampers on Lexus RX330?
A:
To relieve fuel pressure, unplug the negative battery terminal cable and remove the engine cover. For four-cylinder models, disconnect the fuel supply line from the Fuel Pump Pulsator and remove the damper from the Fuel Rail. Detach the fuel line sub-assembly from the Fuel Pump Pulsator and remove the damper. Use a new O-ring and tighten the Fuel Pump Pulsator bolts. For V6 models, unscrew the pulsation damper from the fuel rail, remove and discard the old sealing washers, and install new sealing washers before tightening the damper. For SL engines, drain the engine coolant, remove the upper intake manifold, withdraw the Fuel Pump Pulsator from the fuel rail, install a new O-ring onto the damper, and then reverse the removal process.