How to remove and replace the exhaust manifold in 3.0L and 3.3L V6 engine on Lexus RX330?

Models from 2004 and later come with exhaust manifold/catalytic converter assemblies, while those from 2003 and earlier have separate catalytic converters. Begin by disconnecting the cable from the negative terminal of the battery. Apply penetrating oil to the exhaust manifold fasteners and let it soak. For the rear exhaust manifold removal, elevate the front of the vehicle and secure it on jackstands, then take off the engine splash shields. Remove the heated oxygen sensors from the manifold, followed by the bolts and heat shield over the exhaust manifold if applicable. Take off the exhaust manifold brace if present, and then remove the nuts that hold the exhaust pipe to the manifold. Unbolt the manifold from the cylinder head, starting from the ends and moving toward the center, and carefully slip it off the mounting studs. Inspect the manifold and fasteners for any cracks or damage, and use a scraper to eliminate old gasket material and carbon deposits from the mating surfaces. If there was a gasket leak, check for warpage on the cylinder head mounting surface using a straight edge and feeler gauge; if the clearance exceeds the limit, have the manifold resurfaced. Position a new gasket over the cylinder head studs, install the manifold, and thread the mounting nuts into place, tightening them from the center outward. Reinstall all removed parts in reverse order, using new gaskets for the exhaust pipe connections, and finally, run the engine to check for any exhaust leaks.

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
$749.87 MSRP: $883.97
You Save: $134.10 (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
$808.55 MSRP: $953.14
You Save: $144.59 (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
$1070.99 MSRP: $1484.53
You Save: $413.54 (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
$1070.99 MSRP: $1484.53
You Save: $413.54 (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, No.2
25052-20190
Q: How to remove and replace the exhaust manifold in 3.0L and 3.3L V6 engine on Lexus RX330?
A:
Models from 2004 and later come with exhaust manifold/catalytic converter assemblies, while those from 2003 and earlier have separate catalytic converters. Begin by disconnecting the cable from the negative terminal of the battery. Apply penetrating oil to the exhaust manifold fasteners and let it soak. For the rear exhaust manifold removal, elevate the front of the vehicle and secure it on jackstands, then take off the engine splash shields. Remove the heated oxygen sensors from the manifold, followed by the bolts and heat shield over the exhaust manifold if applicable. Take off the exhaust manifold brace if present, and then remove the nuts that hold the exhaust pipe to the manifold. Unbolt the manifold from the cylinder head, starting from the ends and moving toward the center, and carefully slip it off the mounting studs. Inspect the manifold and fasteners for any cracks or damage, and use a scraper to eliminate old gasket material and carbon deposits from the mating surfaces. If there was a gasket leak, check for warpage on the cylinder head mounting surface using a straight edge and feeler gauge; if the clearance exceeds the limit, have the manifold resurfaced. Position a new gasket over the cylinder head studs, install the manifold, and thread the mounting nuts into place, tightening them from the center outward. Reinstall all removed parts in reverse order, using new gaskets for the exhaust pipe connections, and finally, run the engine to check for any exhaust leaks.