How to remove and install the exhaust manifold in Four cylinder engine on Lexus RX330?

Before lifting the exhaust manifold, the first thing that should be done is to disconnect the cable of the battery's negative terminal. Lift the front of the vehicle and set it on jackstands safely and then, take off the lower splash shields and front floor cover from the left side. Pry these bolts loose while being very careful not to remove the oxygen sensors by applying penetrating oil on the bolts that hold the exhaust pipe to the manifold and allowing them to soak before removal. Unfasten the exhaust neck from the manifold, undo the down exhaust manifold girders, and unsnap the connectors on the oxygen sensor. Situated in the engine compartment, it is necessary to take off only the upper heat shield from the manifold while observing that the last type of heat shield is not required to be detached. Remove the nuts/bolts and take off the manifold along with its gasket. For installation you will use a scraper to scrape the mating surface of the manifold and cylinder head cleaning it and during this process you will check for warpage if the gasket is in bad state and it is leaking. If changing a manifold only, bolt the lower heat shield onto the new one. Place a new gasket over the studs on the cylinder head and ensure the manifold is fitted Thread the mounting nuts starting with the middle one before you tighten all of them. Replace the rest of the parts in the reverse order you removed them, starting the engine to check for leakages through the exhaust.

Genuine Lexus RX330 Exhaust Manifold

Engine Exhaust Manifold

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6 Exhaust Manifolds found

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Lexus RX330 Exhaust Manifold Converter Sub-Assembly, No.2
Part Number: 25052-20190
$728.03 MSRP: $858.22
You Save: $130.19 (16%)
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Product Specifications
- Other Name: Converter Sub-Assy, Exhaust Manifold, No.2; Exhaust Manifold, Manifold
- Manufacturer Note: *115=TOYOTA/03-/Y
- 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
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Lexus RX330 Exhaust Manifold Converter Sub-Assembly
Part Number: 25051-20040
$784.91 MSRP: $925.28
You Save: $140.37 (16%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Converter Sub-Assy, Exhaust Manifold; Exhaust Manifold, Manifold
- Manufacturer Note: *115=TOYOTA/03-/Y
- 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
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Lexus RX330 Exhaust Manifold Sub-Assembly Left
Part Number: 17150-0P090
$1060.31 MSRP: $1469.72
You Save: $409.41 (28%)
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Product Specifications
- Other Name: Manifold Sub-Assy, Exhaust, Lh; Exhaust Manifold, Manifold
- Manufacturer Note: (L)
- Position: Driver Side
- Replaces: 17150-31150
- 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, 2GRFE; GSU30L-CWAGKA, GSU30L-CWAGKA, GSU35L-AWAGKA, GSU35L-CWAGKA
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Lexus RX330 Exhaust Manifold Sub-Assembly Right
Part Number: 17140-0P080
$1249.79 MSRP: $1732.37
You Save: $482.58 (28%)
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Product Specifications
- Other Name: Manifold Sub-Assy, Exhaust, Rh; Exhaust Manifold, Manifold
- Manufacturer Note: (L)
- Position: Passenger Side
- Replaces: 17140-31200
- 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, 2GRFE; GSU30L-CWAGKA, GSU30L-CWAGKA, GSU35L-AWAGKA, GSU35L-CWAGKA
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Lexus RX330 Exhaust Manifold Sub-Assembly Right
Part Number: 17140-31200
$1249.79 MSRP: $1732.37
You Save: $482.58 (28%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Manifold Sub-Assy, Exhaust, Rh
- Position: Passenger Side
- Replaced by: 17140-0P080
- 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 Exhaust Manifold Sub-Assembly Left
Part Number: 17150-31150
$1060.31 MSRP: $1469.72
You Save: $409.41 (28%)
ADD TO CART
Product Specifications
- Other Name: Manifold Sub-Assy, Exhaust, Lh
- Position: Driver Side
- Replaced by: 17150-0P090
- 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

Lexus RX330 Exhaust Manifold

The Lexus RX330 Exhaust Manifold brings the hot gases from the V6 cylinders to a single exit point, beginning the journey to the catalytic converter and tailpipe. The cast iron Exhaust Manifold version that was applied in early Lexus RX330 SUVs focused on durability and noise control. A subsequent stainless steel tube design reduced weight and improved gas flow. Both styles on the RX330 bolt directly to the cylinder head, seal with gaskets, and often have a heat shield to keep the cabin floors cool. Some assemblies on the Lexus have an integral catalytic converter or a threaded port for the oxygen sensor to allow the engine computer to read oxygen from the exhaust and maintain balanced mixtures. By collecting emissions quickly from six different ports and avoiding back-pressure, the Exhaust Manifold allows the engine to breathe freely, protects occupants from the risk of carbon monoxide poisoning, and protects performance. Although by definition they are long-lived, constant heating and cooling may cause cracks in the Exhaust Manifold, resulting in leaks, rough running, and the need to replace the manifold. Drivers looking for more engine response usually begin with better overall exhaust tubing, but the factory Lexus Exhaust Manifold is already balanced with respect to all three parameters (fit, noise, and flow) for everyday RX330 versatility.

Should you need to purchase new auto parts for your vehicle, we strongly suggest you consider the genuine Lexus RX330 Exhaust Manifold available on LexusPartsNow.com. Our OEM Lexus RX330 Exhaust Manifold 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 Exhaust Manifold Parts Questions & Experts Answers

Exhaust Manifold Converter Sub-Assembly
25051-20040
Q: How to remove and install the exhaust manifold in Four cylinder engine on Lexus RX330?
A:
Before lifting the exhaust manifold, the first thing that should be done is to disconnect the cable of the battery's negative terminal. Lift the front of the vehicle and set it on jackstands safely and then, take off the lower splash shields and front floor cover from the left side. Pry these bolts loose while being very careful not to remove the oxygen sensors by applying penetrating oil on the bolts that hold the exhaust pipe to the manifold and allowing them to soak before removal. Unfasten the exhaust neck from the manifold, undo the down exhaust manifold girders, and unsnap the connectors on the oxygen sensor. Situated in the engine compartment, it is necessary to take off only the upper heat shield from the manifold while observing that the last type of heat shield is not required to be detached. Remove the nuts/bolts and take off the manifold along with its gasket. For installation you will use a scraper to scrape the mating surface of the manifold and Cylinder Head cleaning it and during this process you will check for warpage if the gasket is in bad state and it is leaking. If changing a manifold only, bolt the lower heat shield onto the new one. Place a new gasket over the studs on the cylinder head and ensure the manifold is fitted Thread the mounting nuts starting with the middle one before you tighten all of them. Replace the rest of the parts in the reverse order you removed them, starting the engine to check for leakages through the exhaust.