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Lexus PartsLexus RX300 PartsCatalytic Converter

Lexus RX300 Catalytic Converter

Your RX300 is a prized possession.

You purchased your RX300 because its sporty handling and Japanese engineering agreed with your nature; so why would you settle for second rate when it comes to superior quality auto parts? While it may not be difficult to buy replacement parts for Lexus vehicles, these days only the highest quality are required to maintain your car or truck. It's not every day that you find yourself in need of a replacement Catalytic Converter for your car or truck. When your Lexus RX300 left the factory, it was destined for a driver who wants appealing looks in their automobile.

Why Catalytic Converter replacement is so important.

Achieving maximum fuel efficiency while reducing emissions on your car or truck depends on how well you maintain your engine and exhaust parts. Your Lexus RX300 catalytic converter has been installed thanks to a federal mandate that is decades old. Inside every catalytic converter are cells made from platinum and/or rhodium arranged in a honeycomb pattern that change the harmful emissions of your Lexus RX300 from carbon monoxide and hydrocarbons to carbon dioxide and water. Thanks to this chemical reaction, automakers could now curb their contribution to air pollution, which is why every vehicle made today has a catalytic converter.

You've tried the rest, now try the best.

Select Your YearGiven all the trouble that can be involved with fixing broken parts on your car or truck, let www.carpartsdiscount.com be the first place you go to make buying it easy. Make all your future car parts purchases at carpartsdiscount.com and realize incredible savings on all your upcoming repairs. Ordering new Lexus parts from www.carpartsdiscount.com means you are taking advantage of the absolute greatest original and aftermarket replacement RX300 parts on the internet. Just choose your year from the list below to find the right Lexus RX300 Catalytic Converter for your 2003, 2002, 2001, 2000, 1999 model.

Info: Select your make and model in the red title bar above so we can show the parts you need.
Select Your Year
Lexus RX300 Catalytic Converter, OEM: 99205HM
1999-2003 Lexus RX300 Magnaflow Catalytic Converter 99205HM
Add for Price, Save 18%  
OEM: 99205HM, Item: 1256350
  Only 8 left In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left

Lexus RX300 Catalytic Converter, OEM: 441006
2001-2003 Lexus RX300 Magnaflow Catalytic Converter 441006
Add for Price,   NEW ITEM
OEM: 441006, Item: 1226505
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

Lexus RX300 Catalytic Converter, OEM: 99005HM
1999-2003 Lexus RX300 Magnaflow Catalytic Converter 99005HM
Add for Price, Save 18%   NEW ITEM
OEM: 99005HM, Item: 1256388
  Only 4 left In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Right

Lexus RX300 Catalytic Converter, OEM: 99006HM
1999-2003 Lexus RX300 Magnaflow Catalytic Converter 99006HM
Add for Price, Save 18%   NEW ITEM
OEM: 99006HM, Item: 1256389
  Only 6 left In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

Lexus RX300 Catalytic Converter, OEM: 441005
1999-2000 Lexus RX300 Magnaflow Catalytic Converter 441005
Add for Price,   NEW ITEM
OEM: 441005, Item: 1226504
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

Lexus RX300 Universal Catalytic Converter, OEM: 93237Walker
1999-2003 Lexus RX300 Walker Universal Catalytic Converter 93237
89.75, Save 39%  
OEM: 93237, Item: 358369
  In Stock, Usually ships within 1 business day

Installation of this aftermarket catalytic converter is prohibited by law in California by C.A.R.B., and may also not comply with emissions regulations in other municipalities in other parts of the US and Canada. Before purchasing a new catalytic converter, consult your local regulatory agency, emissions testing facility, or mechanic for approval. Federal laws require all warranty claims be processed by the manufacturer of this emissions control device. Please contact Walker directly for.. (more)

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

Lexus RX300 Catalytic Converter, OEM: 51205
1999-2003 Lexus RX300 Magnaflow Catalytic Converter 51205
Add for Price, Save 18%   NEW ITEM
OEM: 51205, Item: 1256703
  Only 1 left In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left

Lexus RX300 Catalytic Converter, OEM: 097-0443/0970443Bosal
1999-2003 Lexus RX300 Bosal Catalytic Converter 097-0443
98.15, Save 39%   NEW ITEM
OEM: 097-0443, Item: 1244616
  Only 2 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Lexus RX300 Catalytic Converter, OEM: 51006
1999-2003 Lexus RX300 Magnaflow Catalytic Converter 51006
Add for Price, Save 18%   NEW ITEM
OEM: 51006, Item: 1256799
  Only 4 left In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

Lexus RX300 Universal Catalytic Converter, OEM: 81652Walker
1999-2003 Lexus RX300 Walker Universal Catalytic Converter 81652
105.05, Save 39%   POPULAR
OEM: 81652, Item: 417690
  Only 3 left In Stock, Usually ships within 1 business day

This catalytic converter is compliant with C.A.R.B. rules, restrictions, and specifications. It can be installed on a vehicle in California as well as other municipalities that use this emissions standard. Before purchasing a new catalytic converter, consult your local regulatory agency, emissions testing facility, or mechanic for approval. Federal laws require all warranty claims be processed by the manufacturer of this emissions control device. Please contact Walker directly for replacement.. (more)

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

Lexus RX300 Catalytic Converter, OEM: 81806Walker
1999-2003 Lexus RX300 Walker Catalytic Converter 81806
105.15, Save 39%   NEW ITEM
OEM: 81806, Item: 533144
  Only 5 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Left, Front Right

Lexus RX300 Universal Catalytic Converter, OEM: 93270Walker
1999-2003 Lexus RX300 Walker Universal Catalytic Converter 93270
105.55, Save 39%   NEW ITEM
OEM: 93270, Item: 358384
  In Stock, Usually ships within 1 business day

Installation of this aftermarket catalytic converter is prohibited by law in California by C.A.R.B., and may also not comply with emissions regulations in other municipalities in other parts of the US and Canada. Before purchasing a new catalytic converter, consult your local regulatory agency, emissions testing facility, or mechanic for approval. Federal laws require all warranty claims be processed by the manufacturer of this emissions control device. Please contact Walker directly for.. (more)

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Left

Lexus RX300 Universal Catalytic Converter, OEM: 93271Walker
1999-2003 Lexus RX300 Walker Universal Catalytic Converter 93271
105.55, Save 39%   NEW ITEM
OEM: 93271, Item: 358385
  In Stock, Usually ships within 1 business day

Installation of this aftermarket catalytic converter is prohibited by law in California by C.A.R.B., and may also not comply with emissions regulations in other municipalities in other parts of the US and Canada. Before purchasing a new catalytic converter, consult your local regulatory agency, emissions testing facility, or mechanic for approval. Federal laws require all warranty claims be processed by the manufacturer of this emissions control device. Please contact Walker directly for.. (more)

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Right

Lexus RX300 Catalytic Converter, OEM: 51005
1999-2003 Lexus RX300 Magnaflow Catalytic Converter 51005
Add for Price, Save 22%   NEW ITEM
OEM: 51005, Item: 1256735
  In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Right

Lexus RX300 Catalytic Converter, OEM: 441004
2000 Lexus RX300 Magnaflow Catalytic Converter 441004
Add for Price, Save 18%   NEW ITEM
OEM: 441004, Item: 1256357
  Only 2 left In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

Lexus RX300 Catalytic Converter, OEM: 444504
2000 Lexus RX300 Magnaflow Catalytic Converter 444504
Add for Price, Save 22%   NEW ITEM
OEM: 444504, Item: 1257626
  In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Left, Front Right

Lexus RX300 Catalytic Converter, OEM: 444005
1999-2003 Lexus RX300 Magnaflow Catalytic Converter 444005
Add for Price, Save 20%   NEW ITEM
OEM: 444005, Item: 1226541
  Only 2 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Left, Front Right

Lexus RX300 Catalytic Converter, OEM: 444004
2000 Lexus RX300 Magnaflow Catalytic Converter 444004
Add for Price, Save 21%   NEW ITEM
OEM: 444004, Item: 1256365
  In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Left

Lexus RX300 Catalytic Converter, OEM: 099-1651/0991651Bosal
1999-2003 Lexus RX300 Bosal Catalytic Converter 099-1651
167.05, Save 39%   NEW ITEM
OEM: 099-1651, Item: 1244919
  Only 3 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Left

Lexus RX300 Catalytic Converter, OEM: LX4633ADEC
1999-2003 Lexus RX300 DEC Catalytic Converter LX4633A
Add for Price, Save 31%   NEW ITEM
OEM: LX4633A, Item: 468170
  In Stock, Usually ships within 1 business day

Installation of this aftermarket catalytic converter is prohibited by law in California by C.A.R.B., and may also not comply with emissions regulations in other municipalities in other parts of the US and Canada. Before purchasing a new catalytic converter, consult your local regulatory agency, emissions testing facility, or mechanic for approval. Federal laws require all warranty claims be processed by the manufacturer of this emissions control device. Please contact DEC directly for.. (more)

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front

Lexus RX300 Catalytic Converter, OEM: 16191Walker
1999-2003 Lexus RX300 Walker Catalytic Converter 16191
190.85, Save 39%   NEW ITEM
OEM: 16191, Item: 357728
  Only 7 left In Stock, Usually ships within 1 business day

Installation of this aftermarket catalytic converter is prohibited by law in California by C.A.R.B., and may also not comply with emissions regulations in other municipalities in other parts of the US and Canada. Before purchasing a new catalytic converter, consult your local regulatory agency, emissions testing facility, or mechanic for approval. Federal laws require all warranty claims be processed by the manufacturer of this emissions control device. Please contact Walker directly for.. (more)

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Left

Lexus RX300 CalCat Direct Fit Converter, OEM: 81840Walker
1999-2003 Lexus RX300 Walker CalCat Direct Fit Converter 81840
198.55, Save 39%   NEW ITEM
OEM: 81840, Item: 660724
  Only 2 left In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Left

Lexus RX300 Catalytic Converter, OEM: 808541Eastern Catalytic
1999-2003 Lexus RX300 Eastern Catalytic Catalytic Converter 808541
209.85, Save 39%   NEW ITEM
OEM: 808541, Item: 1451495
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Left

Lexus RX300 Catalytic Converter, OEM: 93268
1999-2003 Lexus RX300 Magnaflow Catalytic Converter 93268
Add for Price, Save 20%   NEW ITEM
OEM: 93268, Item: 1255450
  In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

Lexus RX300 Catalytic Converter, OEM: 93260
1999-2003 Lexus RX300 Magnaflow Catalytic Converter 93260
Add for Price, Save 20%   NEW ITEM
OEM: 93260, Item: 1257128
  In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Rearward

Lexus RX300 Catalytic Converter, OEM: 096-1636/0961636Bosal
1999-2003 Lexus RX300 Bosal Catalytic Converter 096-1636
249.95, Save 39%   NEW ITEM
OEM: 096-1636, Item: 1244513
  Only 6 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Right

Lexus RX300 Catalytic Converter, OEM: 808581Eastern Catalytic
1999-2003 Lexus RX300 Eastern Catalytic Catalytic Converter 808581
250.05, Save 39%   NEW ITEM
OEM: 808581, Item: 1451497
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Right

Lexus RX300 Catalytic Converter, OEM: 49506
1999-2003 Lexus RX300 Magnaflow Catalytic Converter 49506
Add for Price, Save 20%   NEW ITEM
OEM: 49506, Item: 1303641
  Only 5 left In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Forward

Lexus RX300 CalCat Direct Fit Converter, OEM: 81841Walker
1999-2003 Lexus RX300 Walker CalCat Direct Fit Converter 81841
251.35, Save 39%   NEW ITEM
OEM: 81841, Item: 660725
  Only 3 left In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Right

Lexus RX300 Catalytic Converter, OEM: 40236Walker
1999-2003 Lexus RX300 Walker Catalytic Converter 40236
260.85, Save 39%   NEW ITEM
OEM: 40236, Item: 357885
  In Stock, Usually ships within 1 business day

Installation of this aftermarket catalytic converter is prohibited by law in California by C.A.R.B., and may also not comply with emissions regulations in other municipalities in other parts of the US and Canada. Before purchasing a new catalytic converter, consult your local regulatory agency, emissions testing facility, or mechanic for approval. Federal laws require all warranty claims be processed by the manufacturer of this emissions control device. Please contact Walker directly for.. (more)

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Right

Lexus RX300 Catalytic Converter, OEM: 51318
1999-2003 Lexus RX300 Magnaflow Catalytic Converter 51318
Add for Price, Save 20%   NEW ITEM
OEM: 51318, Item: 1258652
  In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

Lexus RX300 EPA Ultra Direct Fit Converter, OEM: 16121Walker
1999-2003 Lexus RX300 Walker EPA Ultra Direct Fit Converter 16121
265.25, Save 39%   NEW ITEM
OEM: 16121, Item: 670618
  Only 6 left In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

Lexus RX300 Catalytic Converter, OEM: 40761Eastern Catalytic
1999-2003 Lexus RX300 Eastern Catalytic Catalytic Converter 40761
279.25, Save 39%   NEW ITEM
OEM: 40761, Item: 1005190
  Only 4 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Right

Lexus RX300 Catalytic Converter and Pipe Assembly, OEM: LX4633DEC
1999-2003 Lexus RX300 DEC Catalytic Converter and Pipe Assembly LX4633
284.65, Save 39%   NEW ITEM
OEM: LX4633, Item: 996042
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Lexus RX300 Catalytic Converter, OEM: LX4633BDEC
1999-2003 Lexus RX300 DEC Catalytic Converter LX4633B
Add for Price, Save 31%   NEW ITEM
OEM: LX4633B, Item: 468171
  In Stock, Usually ships within 1 business day

Installation of this aftermarket catalytic converter is prohibited by law in California by C.A.R.B., and may also not comply with emissions regulations in other municipalities in other parts of the US and Canada. Before purchasing a new catalytic converter, consult your local regulatory agency, emissions testing facility, or mechanic for approval. Federal laws require all warranty claims be processed by the manufacturer of this emissions control device. Please contact DEC directly for.. (more)

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

Lexus RX300 CalCat Direct Fit Converter, OEM: 81664Walker
1999-2003 Lexus RX300 Walker CalCat Direct Fit Converter 81664
298.75, Save 39%   NEW ITEM
OEM: 81664, Item: 660680
  Only 3 left In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

Lexus RX300 Catalytic Converter, OEM: 49507
1999-2003 Lexus RX300 Magnaflow Catalytic Converter 49507
Add for Price, Save 19%   NEW ITEM
OEM: 49507, Item: 1255710
  In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Rearward

Lexus RX300 Catalytic Converter, OEM: 441417
1999-2003 Lexus RX300 Magnaflow Catalytic Converter 441417
Add for Price, Save 19%   NEW ITEM
OEM: 441417, Item: 1255423
  In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

Lexus RX300 Catalytic Converter, OEM: 444227
1999-2003 Lexus RX300 Magnaflow Catalytic Converter 444227
Add for Price, Save 23%   NEW ITEM
OEM: 444227, Item: 1226553
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Forward

Lexus RX300 Catalytic Converter, OEM: 099-1638/0991638Bosal
1999-2003 Lexus RX300 Bosal Catalytic Converter 099-1638
344.15, Save 39%   NEW ITEM
OEM: 099-1638, Item: 1244909
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

Lexus RX300 Catalytic Converter and Pipe Assembly, OEM: LX94633BDEC
2000-2003 Lexus RX300 DEC Catalytic Converter and Pipe Assembly LX94633B
Add for Price, Save 31%   NEW ITEM
OEM: LX94633B, Item: 468192
  In Stock, Usually ships within 1 business day

This catalytic converter is compliant with C.A.R.B. rules, restrictions, and specifications. It can be installed on a vehicle in California as well as other municipalities that use this emissions standard. Before purchasing a new catalytic converter, consult your local regulatory agency, emissions testing facility, or mechanic for approval. Federal laws require all warranty claims be processed by the manufacturer of this emissions control device. Please contact DEC directly for replacement.. (more)

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

Lexus RX300 Catalytic Converter, OEM: 93259
1999-2003 Lexus RX300 Magnaflow Catalytic Converter 93259
Add for Price, Save 18%   NO STOCK
OEM: 93259, Item: 1257130
  Restock date not known
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Forward