How to service fuel injectors and Fuel Rail on a Nissan Quest?

The fuel injectors on the front bank can be serviced without removing the upper intake manifold. However, servicing the fuel injectors on the rear bank requires removal of the upper intake manifold. It is not necessary to remove the fuel rail if you're only servicing a fuel injector. Fuel injectors can be removed without detaching the fuel rail. First, relieve the fuel pressure. Then, disconnect the cable from the negative terminal of the battery. Remove the air intake plenum (upper intake manifold) from the lower intake manifold. Disconnect the fuel injector connectors. If servicing of the fuel injector(s) is necessary, remove the injector cap screws and cap, then pull the injector(s) from the fuel rail cup. Inspect the injector 0-rings (three per injector) for signs of deterioration. Replace as required. Lubricate the new 0-rings with light grade oil. Do not use silicone grease. It will clog the injectors. Using a light twisting motion, install the injector(s) into the fuel rail cup. Ensure that the injector caps are clean and free of contamination and tighten the cap screws. If removal of the fuel rail assembly is necessary, disconnect the fuel feed and return lines then remove the fuel rail retaining bolts (two on each side). Using a rocking, side to side motion, carefully lift the fuel rail and the fuel injectors as an assembly from the lower intake manifold. Installation is the reverse of removal with the following exceptions: Inspect the fuel rail insulators (one per injector) for signs of deterioration and replace as required. Install the fuel rail insulators into the lower Intake manifold and lubricate them with a light coat of oil before installing the fuel rail assembly onto the lower intake manifold.

Genuine Nissan Quest Fuel Rail

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11 Fuel Rails found

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Nissan Quest Pipe Assembly
Part Number: 17521-JA10E
$230.38 MSRP: $325.40
You Save: $95.02 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pipe Assembly-Fuel; Fuel Rail
- Replaces: 17521-JA10D, 17521-JA10A, 17521-JA10C, 17521-JA10B
- Warranty: This genuine part is guaranteed by Nissan's factory warranty.
Fits the following Vehicles:
- 2011-2017 Nissan Quest | LE, S, SL, SV | 6 Cyl 3.5L | VQ35DE
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Nissan Quest Fuel Pipe Assembly
Part Number: 17521-JA10D
$230.38 MSRP: $325.40
You Save: $95.02 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pipe Assembly-Fuel
- Replaced by: 17521-JA10E
- Warranty: This genuine part is guaranteed by Nissan's factory warranty.
Fits the following Vehicles:
- 2011-2016 Nissan Quest | LE, S, SL, SV | 6 Cyl 3.5L | VQ35DE
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Nissan Quest Fuel Pipe Assembly
Part Number: 17521-CK00A
Product Specifications
- Other Name: Pipe Assembly-Fuel; Fuel Rail
- Replaces: 17521-CK000, 17521-7Y000
- Warranty: This genuine part is guaranteed by Nissan's factory warranty.
Fits the following Vehicles:
- 2004-2010 Nissan Quest | Base, S, SE, SL | 6 Cyl 3.5L | VQ35DE
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Nissan Quest Fuel Pipe Assembly
Part Number: 17521-CK000
Product Specifications
- Other Name: Pipe Assembly-Fuel
- Replaced by: 17521-CK00A
- Warranty: This genuine part is guaranteed by Nissan's factory warranty.
Fits the following Vehicles:
- 2004-2008 Nissan Quest | Base, S, SE, SL | 6 Cyl 3.5L | VQ35DE
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Nissan Quest Tube Assembly Fuel
Part Number: 17511-7B010
Product Specifications
- Other Name: Tube Assy-Fuel
- Warranty: This genuine part is guaranteed by Nissan's factory warranty.
Fits the following Vehicles:
- 1999-2003 Nissan Quest | GXE, SE | 6 Cyl 3.3L | VG33E
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Nissan Quest Fuel Pipe Assembly
Part Number: 17523-1B011
Product Specifications
- Other Name: Pipe Assembly-Fuel
- Replaces: 17523-1B010
- Warranty: This genuine part is guaranteed by Nissan's factory warranty.
Fits the following Vehicles:
- 1995-1998 Nissan Quest | GXE, XE | 6 Cyl 3.0L | VG30E
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Nissan Quest Fuel Pipe Assembly
Part Number: 17523-6B710
Product Specifications
- Other Name: Pipe Assembly-Fuel
- Warranty: This genuine part is guaranteed by Nissan's factory warranty.
Fits the following Vehicles:
- 1997-1998 Nissan Quest | GXE, XE | 6 Cyl 3.0L | VG30E
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Nissan Quest Fuel Pipe Assembly
Part Number: 17523-0B010
Product Specifications
- Other Name: Pipe Assembly-Fuel
- Warranty: This genuine part is guaranteed by Nissan's factory warranty.
Fits the following Vehicles:
- 1993-1996 Nissan Quest | GXE, XE | 6 Cyl 3.0L | VG30E
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Nissan Quest Fuel Pipe Assembly
Part Number: 17522-88G00
Product Specifications
- Other Name: Pipe Assembly-Fuel; Fuel Rail
- Warranty: This genuine part is guaranteed by Nissan's factory warranty.
Fits the following Vehicles:
- 1993-1998 Nissan Quest | GXE, XE | 6 Cyl 3.0L | VG30E
View related parts
Nissan Quest Fuel Pipe Assembly
Part Number: 17521-0B000
Product Specifications
- Other Name: Pipe Assembly-Fuel
- Warranty: This genuine part is guaranteed by Nissan's factory warranty.
Fits the following Vehicles:
- 1993-1998 Nissan Quest | GXE, XE | 6 Cyl 3.0L | VG30E
View related parts
Nissan Quest Pipe Assembly
Part Number: 17521-7B000
Product Specifications
- Other Name: Pipe Assembly-Fuel; Fuel Rail
- Warranty: This genuine part is guaranteed by Nissan's factory warranty.
Fits the following Vehicles:
- 1999-2003 Nissan Quest | GXE, SE | 6 Cyl 3.3L | VG33E

Nissan Quest Fuel Rail

The Nissan Quest Fuel Rail delivers the pressurized gasoline to each injector, enabling the minivan to balance output mileage and emissions. The Fuel Rail's job is to deliver fuel to the engine's fuel injectors. As this component moves along the intake runners, it borrows fuel from an electric pump. The function of a regulator is to keep pressure steady. As a result, the engine computer fine-tunes injector pulse width. Consequently, this can occur for either idle or heavy load. The early Quest models featured multiport injectors, coupled with a low pressure Fuel Rail based on designs applied in the throttle body transition years, which were cost effective and simple in construction. Due to technological advancements, the subsequent Nissan editions came with a port setup made for higher delivery rates. The recent editions feature a common rail style high-pressure Fuel Rail that works with gasoline direct injection, forming smaller fuel droplets for a quicker burn and stronger torque. One major change is the move from the earlier low pressure bar to the present high pressure one, with today's Fuel Rail retaining thousands of psi to feed fast response solenoid injectors actually within the combustion chambers. Upgrades mean a recent version of the Quest gets cleaner exhaust, quicker starts, and adds extra proof of a Nissan commitment to efficient family transport.

If you need any OEM Nissan Quest Fuel Rail, feel free to choose them out of our huge selection of genuine Nissan Quest Fuel Rail. All our parts are offered at unbeatable prices and are supported by the manufacturer's warranty. In addition, we offer quick shipping to have your parts delivered to your door step in a matter of days.

Nissan Quest Fuel Rail Parts Questions & Experts Answers

Pipe Assembly
17521-7B000
Q: How to service fuel injectors and Fuel Rail on a Nissan Quest?
A:
The fuel injectors on the front bank can be serviced without removing the upper intake manifold. However, servicing the fuel injectors on the rear bank requires removal of the upper intake manifold. It is not necessary to remove the fuel rail if you're only servicing a fuel injector. Fuel injectors can be removed without detaching the fuel rail. First, relieve the fuel pressure. Then, disconnect the cable from the negative terminal of the battery. Remove the air intake plenum (upper intake manifold) from the lower intake manifold. Disconnect the fuel injector connectors. If servicing of the fuel injector(s) is necessary, remove the injector cap screws and cap, then pull the injector(s) from the fuel rail cup. Inspect the injector 0-rings (three per injector) for signs of deterioration. Replace as required. Lubricate the new 0-rings with light grade oil. Do not use silicone grease. It will clog the injectors. Using a light twisting motion, install the injector(s) into the fuel rail cup. Ensure that the injector caps are clean and free of contamination and tighten the cap screws. If removal of the fuel rail assembly is necessary, disconnect the fuel feed and return lines then remove the fuel rail retaining bolts (two on each side). Using a rocking, side to side motion, carefully lift the fuel rail and the fuel injectors as an assembly from the lower intake manifold. Installation is the reverse of removal with the following exceptions: Inspect the fuel rail insulators (one per injector) for signs of deterioration and replace as required. Install the fuel rail insulators into the lower Intake manifold and lubricate them with a light coat of oil before installing the fuel rail assembly onto the lower intake manifold.