Save Now on Select Electrical & Ignition Products!

Make/Model Search
Make/Engine Search

Brands
Savings Central
Contact Us
Help Center

My Garage
Wish List
Order Status & Returns

Welcome
My Account

Order Status

Wish List
Savings Central
Shop by Brand
Shop Your Passion
- Shop Your Passion
- Truck / SUV
  
  Jeep®
  
  Restoration
  
  Stock Replacement
  
  Late Model Muscle
  
  Tools
  
  Gifts, Clothing, & More
  
  Circle Track
  
  Street Rod
  
  Powersports
  
  Paint & Body
  
  Marine
  
  Jr Dragster
Gift Cards
My Garage
See Our Catalogs
News & Events
Career Opportunities
Contact Us
Help Center
New Products
Shop by Make/Model
Sign In

Search Make/Model

Search Make/Engine

Sign In

Welcome
Account Dashboard
Profile
Order Status & Returns
Buy It Again
Wish List
Rewards Program
Gift Cards & Summit Bucks
Address Book
My Garage Settings
Email Preferences
Text Notifications
My Reviews
My Questions
Catalogs
Tax Exemption
Sign In

Save Now on Select Electrical & Ignition Products!

Shipping Alert: Weather events across the U.S. continue to impact shipping carriers. Delays are possible and express shipping may not be available.

Filters

In Stock
- In Stock Items, Including at a Supplier. Ships In a Few Days. (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (5) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Brand
- AP Exhaust (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Dorman (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Walker Exhaust (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Engine
Catalytic Converter Position
- Left (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Right (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Inlet Quantity
- 1 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 4 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Inlet Diameter (in.)
- 2.25 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Converter Inlet Attachment
- Stock flange (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Slip fit (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Outlet Quantity
- 1 (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Outlet Diameter (in.)
- 2.25 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Converter Outlet Attachment
- Stock flange (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Slip fit (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Converter Case Material
- Stainless steel (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Converter Substrate Material
- Ceramic honeycomb (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Ceramic substrate (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filter Options

Selected Filters

Filter Results by Vehicle

Loading...

Home
Exhaust
Catalytic Converters
2007 CADILLAC STS
Product Results

Availability

- In Stock Items, Including at a Supplier. Ships In a Few Days. (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (5) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Brand
- AP Exhaust (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Dorman (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Walker Exhaust (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Engine
Catalytic Converter Position
- Left (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Right (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Inlet Quantity
- 1 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 4 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Inlet Diameter (in.)
- 2.25 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Converter Inlet Attachment
- Stock flange (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Slip fit (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Outlet Quantity
- 1 (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Outlet Diameter (in.)
- 2.25 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Converter Outlet Attachment
- Stock flange (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Slip fit (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Converter Case Material
- Stainless steel (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Converter Substrate Material
- Ceramic honeycomb (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Ceramic substrate (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filter Options

2007 CADILLAC STS Catalytic Converters

Showing In Stock Items. Show All 5 Items.

Individual Parts

Part Groups

Results 1 - 4 of 4

Walker Direct-Fit Catalytic Converters for 2010-2011 CTS, 2006-2011 STS - 84615

Walker Direct-Fit Catalytic Converters for 2010-2011 CTS, 2006-2011 STS - 84615

Walker Direct-Fit Catalytic Converters for 2010-2011 CTS, 2006-2011 STS - 84615

CalCat CARB Catalytic Converter

Part Number: WLK-84615

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 26, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters for 2004-2009 SRX, 2005-2010 STS - 641442

Made in the USA

AP Exhaust Direct-Fit Catalytic Converters for 2004-2009 SRX, 2005-2010 STS - 641442

AP Exhaust Direct-Fit Catalytic Converters for 2004-2009 SRX, 2005-2010 STS - 641442

Catalytic Converters, Direct-Fit, Left, Converter with Integrated Exhaust Manifold, Cadillac, 4.6L, Each

Part Number: APH-641442

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 23, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters for 2004-2009 SRX, 2005-2010 STS - 674-931

Dorman Direct-Fit Manifold Catalytic Converters for 2004-2009 SRX, 2005-2010 STS - 674-931

Dorman Direct-Fit Manifold Catalytic Converters for 2004-2009 SRX, 2005-2010 STS - 674-931

Integrated Exhaust Manifold - Cast - Includes Gasket

Part Number: RNB-674-931

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 24, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters for 2004-2007 SRX, 2005-2007 STS - 642131

Made in the USA

AP Exhaust Direct-Fit Catalytic Converters for 2004-2007 SRX, 2005-2007 STS - 642131

AP Exhaust Direct-Fit Catalytic Converters for 2004-2007 SRX, 2005-2007 STS - 642131

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 16.00 in. Overall Length, Right, Cadillac, 3.6L, Each

Part Number: APH-642131

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 23, 2026 if ordered today

1

Page 1 of 1

Modal Header

Contact us with questions.

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify

Stay Updated with Emails from Summit Racing

Never miss a sale on new parts, tools, and more!

= Required

First Name

Last Name

Email Address Email required

See Our Catalogs

News & Events

News & Events Home
OnAllCylinders (blog)
Calendar of Events
New Product Releases
Summit Racing News
News You Can Use
Featured Vehicles
Media Center
Sanctioning Bodies

Help

Help Center
Return Policy
Beat-A-Price Guarantee
Payment Options
Contact Us

Social

Facebook
X/Twitter
Instagram
Pinterest
YouTube
Podcast

About Summit

Corporate History
Retail Locations

My Account

Profile
Email Preferences
Order Status & Returns
Wish List
Address Book
My Reviews
My Questions
My Garage
Sign In

Career Opportunities

More

Summit Racing Credit Card
Gift Cards
Calculators & Tools
Promo Exclusions
Become an Affiliate
Summit Racing Rewards Program
Summit Racing Equipment Protection Plan

Terms of Use | Privacy and Security | Site Accessibility
Copyright 2026 by AUTOSALES, INCORPORATED
dba Summit Racing Equipment | Trademarks

Let's Build it Together^™

Modal Header