Saved
0
My Account
Sign in
Sign up
Control Center
Dashboard
Buyer Tools
Saved Listings
0
Compare Saved Listings
Saved Searches
0
My Little Salesman
Sign up
Saved
0
My Account
Sign in
Sign up
Control Center
Dashboard
Buyer Tools
Saved Listings
0
Compare Saved Listings
Saved Searches
0
Price Alerts
0
For Sale
Commercial Trucks
Trailers
Construction Equipment
Farm Equipment
Lifting Equipment
Logging Equipment
Heavy Duty Truck Parts
Heavy Equipment & Tractor Parts
Trailer Parts
Attachments
Aggregate & Mining Equipment
Biomass & Recycling Equipment
Woodworking & Sawmill Equipment
Industrial Equipment
Recreation & Utility Vehicles
Cars & SUVs
Lawn & Garden
Tools & Material
My Little Salesman Magazine
December 2024
For Rent
Commercial Trucks
Trailers
Construction Equipment
Logging Equipment
Farm Equipment
Lifting Equipment
Attachments
Aggregate & Mining Equipment
Biomass & Recycling Equipment
Industrial Equipment
Recreation & Utility Vehicles
Sell
Place an Online Listing
Individual listings are the perfect selling solution for individuals or dealers with 15 items or less.
Inventory Mover Package
The inventory selling solution for dealers, manufacturers, and auctioneers with 15+ items.
Print Advertising
Effective industry-trusted advertising, reliably delivered to your targeted buyer.
Online Banner Advertising
Effectively reach buyers in your market as they browse listings within a category or specific manufacturer.
Facebook Marketing
Beautiful campaigns with pinpointed audiences that drive traffic and boosts sales.
Wholesale Marketplace
Buy and sell inventory amongst other registered dealers at wholesale prices.
Services
Dealer Management System (DMS)
One powerful suite of tools to maximize your dealership.
Inventory Management
Easy-to-use cloud-based inventory management with export feeds and accessible from anywhere.
Customer Relationship Management (CRM)
Customers, vendors, prospects, and correspondence in one place, integrated with your inventory.
Lead Management
One dashboard that intelligently connects your inventory, contacts, and leads from all your marketing channels.
Invoicing & Sales Management
Effortlessly turn leads into deals with auto-populated quotes, invoices, and custom contract forms.
Dealership Websites
User-friendly, mobile-responsive, search-engine optimized websites for commercial truck, trailer, heavy equipment, and parts dealers.
Sell Your Inventory
The inventory selling solution to reach hundreds of thousands of buyers, with no contract or commitments.
Facebook Marketing
Beautiful campaigns with pinpointed audiences that drive traffic and boosts sales.
Wanted
Auctions
Financing
Industry
News
Latest Equipment News
Construction Equipment News
Farm Equipment News
Forestry Equipment News
Trucking News
Trailer News
Material Handling News
Drilling & Mining Equipment News
Companies
All Companies
Dealers
Manufacturers
Auctioneers
Transport Companies
Resources
Trade Shows & Events
Industry Services
Appraisals
Associations
Financing and Leasing (Heavy Equipment)
Financing and Leasing (Commercial Trucks)
Inspections
Insurance
Transportation and Shipping
All Guides & Advice
Buying Guides
Construction Equipment Buying Guide
Semi Truck Buying Guide
Backhoe Buying Guide
Dump Truck Buying Guide
Skid Steer Buying Guide
Excavator Buying Guide
Box Truck Buying Guide
Info
Subscription Center
Help Center
Contact Us
Virtual Demonstration
About Us
Testimonials
Our History
Fraud Prevention
Home
Listings
Truck Parts
Differentials, Rear
Axle Alliance
Used
Used Axle Alliance Rear Differentials For Sale
View
all Axle Alliance differentials, rear for sale
, not just used.
Filter
4
Sort
Close
Default Ranking
Year: Newest First
Year: Oldest First
Price: High to Low
Price: Low to High
Distance: Nearest First
Manufacturer: A-Z
Manufacturer: Z-A
Model: A-Z
Model: Z-A
Hours: High to Low
Hours: Low to High
Mileage: High to Low
Mileage: Low to High
Date Added: Newest First
Date Added: Oldest First
Stock Number: A-Z
Stock Number: Z-A
Photos First
Close
Your Current Search
Industry
Truck Parts
Category
Differentials, Rear
Manufacturer
Axle Alliance
Condition
Used
Click the
to remove the filter.
Save Search
Email Alert
What's
Save Search and Email Alert
?
Narrow Your Search
Keyword Search
Search within the selected criteria
Industry
Truck Parts
(584)
Category
Differentials, Rear
(584)
Manufacturer
Axle Alliance
(584)
Model
ARS230-4
(5)
ART 20-4N
(1)
ART-40
(27)
ART400-4
(61)
CASCADIA
(5)
CENTURY C120
(1)
OTHER
(18)
R13-2N
(55)
R15-2N
(173)
R17.5-2N
(3)
R19-2N
(1)
R19-4N
(3)
R21-2N
(1)
R23-4N
(3)
RR40-4
(1)
RS17.5-2
(1)
RS19.0-2
(1)
RS19.0-4
(3)
RS21.0-2
(2)
RS21.0-4
(1)
RS23.0-6
(1)
RT40 4N
(1)
RT40.0-4
(124)
RT40-04
(3)
RT-40-4
(1)
RT40-4
(1)
RT40-4N
(68)
RT40-4NR
(14)
RT44.0-4
(2)
RTL40-4NR
(1)
RTXX-4N
(1)
Condition
Used
(584)
Model Year
-
Horsepower
-
Inspection Report
Yes
(0)
No
(584)
Warranty
Yes
(0)
No
(0)
Price
-
Country
United States
(581)
Canada
(3)
State / Region
Select a country to view available states.
Seller Type
(584)
Market Type
For Sale
(584)
Filter by Specs or Location
Location
Alabama
Arizona
Arkansas
California
Colorado
Florida
Georgia
Idaho
Indiana
Iowa
Kentucky
Maryland
Minnesota
Missouri
Ohio
Ontario
Pennsylvania
Quebec
South Dakota
Utah
276-300 of 584 results
Sort by:
Default Ranking
Default Ranking
Distance: Nearest First
Year: Newest First
Year: Oldest First
Price: High to Low
Price: Low to High
Manufacturer: A-Z
Manufacturer: Z-A
Model: A-Z
Model: Z-A
Hours: High to Low
Hours: Low to High
Mileage: High to Low
Mileage: Low to High
Date Added: Newest First
Date Added: Oldest First
Stock Number: A-Z
Stock Number: Z-A
Photos First
276-300 of 584
results
2
0
Axle Alliance RT40-4N Rear Differential for a 2015 Freightliner Cascadia 125
$750 USD
RT40-4N Rear - 2.53 Ratio, Pullout, DIFF ONLY, HOUSING SOLD SEPARATELY, Ratio: 2.53
Condition
Used
Rear End
2.53 ratio
Fits To Make(s)
Freightliner
Fits To Model(s)
Cascadia 125
Will Fit Year(s)
2015
Stock Number
1745-4
MLS Number
12924374
Category
Differentials, Rear
Last Updated
6/23/2024
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
6
0
2017 Axle Alliance RT40.0-4 Rear Differential for a Freightliner Cascadia
$450 USD
(USED) Alliance Axle RT40.0-4 Ratio: 2.41 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510805
Condition
Used
Fits To Make(s)
Freightliner
Fits To Model(s)
CASCADIA
Stock Number
25543813
MLS Number
12515274
Category
Differentials, Rear
Last Updated
6/8/2024
Location
Sioux Falls, SD, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
Axle Alliance R15-2N Rear Differential for a 2010 Freightliner MT55 Chassis
$650 USD
R15-2N, 4.10, S/N 74280-A111655. PRICE IS FOR DIFFERENTIAL ONLY, Serial#: 74280-A111655, Ratio: 4.10
Condition
Used
Rear End
4.10 ratio
Fits To Make(s)
Freightliner
Fits To Model(s)
MT55 Chassis
Will Fit Year(s)
2010
Stock Number
UPS-148314-3
MLS Number
12919666
Category
Differentials, Rear
Last Updated
8/31/2024
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
Axle Alliance R15-2N Rear Differential for a 2010 Freightliner MT55 Chassis
$650 USD
R15-2N, 4.10, S/N 742820-A112203. PRICE IS FOR DIFFERENTIAL ONLY, Serial#: 742820-A112203, Ratio: 4.10
Condition
Used
Rear End
4.10 ratio
Fits To Make(s)
Freightliner
Fits To Model(s)
MT55 Chassis
Will Fit Year(s)
2010
Stock Number
UPS-148378-3
MLS Number
12919595
Category
Differentials, Rear
Last Updated
8/31/2024
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
6
0
2012 Axle Alliance RT40.0-4 Rear Differential for a Freightliner Coronado
$325 USD
(USED) Alliance Axle RT40.0-4 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510805 Ref# -
Condition
Used
Fits To Make(s)
Freightliner
Fits To Model(s)
CORONADO
Part Number
-
Stock Number
25581752
MLS Number
12614658
Category
Differentials, Rear
Last Updated
6/5/2024
Location
Sioux Falls, SD, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
Axle Alliance R15-2N Rear Differential for a 2010 Freightliner MT55 Chassis
$650 USD
R15-2N, 4.10, S/N 742820-A111942. PRICE IS FOR DIFFERENTIAL ONLY, Serial#: 742820-A111942, Ratio: 4.10
Condition
Used
Rear End
4.10 ratio
Fits To Make(s)
Freightliner
Fits To Model(s)
MT55 Chassis
Will Fit Year(s)
2010
Stock Number
UPS-148350-3
MLS Number
12910449
Category
Differentials, Rear
Last Updated
8/31/2024
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
Axle Alliance R15-2N Rear Differential for a 2010 Freightliner MT55 Chassis
$650 USD
R15-2N, 4.10, S/N 742820-A111451. PRICE IS FOR DIFFERENTIAL ONLY, Serial#: 742820-A111451, Ratio: 4.10
Condition
Used
Rear End
4.10 ratio
Fits To Make(s)
Freightliner
Fits To Model(s)
MT55 Chassis
Will Fit Year(s)
2010
Stock Number
UPS-148286-3
MLS Number
12910444
Category
Differentials, Rear
Last Updated
8/31/2024
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
Axle Alliance R15-2N Rear Differential for a 2009 Freightliner MT55 Chassis
$650 USD
R15-2N, 4.10, S/N 742820-A099860. PRICE IS FOR DIFFERENTIAL ONLY, Serial#: 742820-A099860, Ratio: 4.10
Condition
Used
Rear End
4.10 ratio
Fits To Make(s)
Freightliner
Fits To Model(s)
MT55 Chassis
Will Fit Year(s)
2009
Stock Number
UPS-144392-3
MLS Number
12910434
Category
Differentials, Rear
Last Updated
8/31/2024
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
Axle Alliance R15-2N Rear Differential for a 2009 Freightliner MT55 Chassis
$650 USD
R15-2N, 4.10, S/N 742820-A099923. PRICE IS FOR DIFFERENTIAL ONLY, Serial#: 742820-A099923, Ratio: 4.10
Condition
Used
Rear End
4.10 ratio
Fits To Make(s)
Freightliner
Fits To Model(s)
MT55 Chassis
Will Fit Year(s)
2009
Stock Number
UPS-144398-3
MLS Number
12910429
Category
Differentials, Rear
Last Updated
8/31/2024
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
Axle Alliance R15-2N Rear Differential for a 2009 Freightliner MT55 Chassis
$650 USD
R15-2N, 4.10, S/N 742820-A099711. PRICE IS FOR DIFFERENTIAL ONLY, Serial#: 742820-A099711, Ratio: 4.10
Condition
Used
Rear End
4.10 ratio
Fits To Make(s)
Freightliner
Fits To Model(s)
MT55 Chassis
Will Fit Year(s)
2009
Stock Number
UPS-144354-3
MLS Number
12910424
Category
Differentials, Rear
Last Updated
8/31/2024
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
Axle Alliance RT40-4N Rear Differential for a 2015 Freightliner Cascadia 125
$750 USD
RT40-4N Rear - 3.23 Ratio - Pullout - DIFF ONLY, HOUSING SOLD SEPARATELY, Ratio: 3.23
Condition
Used
Rear End
3.23 ratio
Fits To Make(s)
Freightliner
Fits To Model(s)
Cascadia 125
Will Fit Year(s)
2015
Stock Number
1732-4
MLS Number
12910316
Category
Differentials, Rear
Last Updated
6/23/2024
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
2016 Axle Alliance RT40.0-4 Rear Differential for a Freightliner Cascadia
$908 USD
(USED) Alliance Axle RT40.0-4 Ratio: 2.62 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510805
Condition
Used
Fits To Make(s)
Freightliner
Fits To Model(s)
CASCADIA
Stock Number
25586728
MLS Number
12625624
Category
Differentials, Rear
Last Updated
5/29/2024
Location
Winimac, IN, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
6
0
2016 Axle Alliance RT40.0-4 Rear Differential for a Freightliner Cascadia
$385 USD
(USED) Alliance Axle RT40.0-4 Ratio: 3.31 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510805 Ref# NOT ON TAG
Condition
Used
Fits To Make(s)
Freightliner
Fits To Model(s)
CASCADIA
Part Number
NOT ON TAG
Stock Number
25572965
MLS Number
12577932
Category
Differentials, Rear
Last Updated
5/29/2024
Location
Des Moines, IA, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
Axle Alliance R15-2N Rear Differential for a 2009 Freightliner MT55 Chassis
$650 USD
R15-2N, 4.10, S/N 742820-A099713. PRICE IS FOR DIFFERENTIAL ONLY, Serial#: 742820-A099713, Ratio: 4.10
Condition
Used
Rear End
4.10 ratio
Fits To Make(s)
Freightliner
Fits To Model(s)
MT55 Chassis
Will Fit Year(s)
2009
Stock Number
UPS-144352-3
MLS Number
12891674
Category
Differentials, Rear
Last Updated
8/31/2024
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
2018 Axle Alliance RT40.0-4 Rear Differential for a Freightliner Cascadia
$1,500 USD
(USED) Alliance Axle RT40.0-4 Ratio: 2.41 Side Gear Splines: 46 W/ Locker: YES Cast#: R6813510905
Condition
Used
Fits To Make(s)
Freightliner
Fits To Model(s)
Cascadia
Stock Number
25653713
MLS Number
12891236
Category
Differentials, Rear
Last Updated
5/24/2024
Location
Winimac, IN, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
6
0
Axle Alliance RT40-4NR Rear Differential
$488 USD
RT40-4N Rear - 3.58 Ratio - Core - Grade C - Rebuildable - Ring Pinion Burnt. CORE UNIT SOLD AS-IS, Axle Spline Count: 41, Ratio: 3.58
Condition
Used
Rear End
3.58 ratio
Stock Number
4540046
MLS Number
12883131
Category
Differentials, Rear
Last Updated
5/21/2024
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
Axle Alliance R15-2N Rear Differential for a 2007 Freightliner MT55 Chassis
$650 USD
R15-2N, 4.10, S/N 742820-A086664. PRICE IS FOR DIFFERENTIAL ONLY, Serial#: 742820-A086664, Ratio: 4.10
Condition
Used
Rear End
4.10 ratio
Fits To Make(s)
Freightliner
Fits To Model(s)
MT55 Chassis
Will Fit Year(s)
2007
Stock Number
UPS-142897-3
MLS Number
12883122
Category
Differentials, Rear
Last Updated
8/31/2024
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
3
0
2007 Axle Alliance RT40.0-4 Rear Differential for a Freightliner Columbia 120
$325 USD
(USED) Alliance Axle RT40.0-4 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510805
Condition
Used
Fits To Make(s)
Freightliner
Fits To Model(s)
COLUMBIA 120
Stock Number
25553543
MLS Number
12509015
Category
Differentials, Rear
Last Updated
5/26/2024
Location
Spencer, IA, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
1
0
Axle Alliance RT40.0-4 Rear Differential for a 2015 Freightliner Cascadia
Call for price
MILES 916393, Ratio: 355
Condition
Used
Rear End
3.55 ratio
Fits To Make(s)
Freightliner
Fits To Model(s)
Cascadia
Will Fit Year(s)
2015
Stock Number
gw7306-4
MLS Number
12870300
Category
Differentials, Rear
Last Updated
5/15/2024
Location
Farr West, UT, US
Sold By
Rocky Mountain Truck Parts
(855) 980-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
1
0
Axle Alliance ART400-4 Rear Differential for a 2014 Freightliner Cascadia 125
$995 USD
GOOD INSPECTED ART400 RR 3.42, 90 DAY WARRANTY, Axle Spline Count: 41, Ratio: 3.42
Condition
Used
Rear End
3.42 ratio
Fits To Make(s)
Freightliner
Fits To Model(s)
Cascadia 125
Will Fit Year(s)
2014
Part Number
ART400
Stock Number
71721-7
MLS Number
10881085
Category
Differentials, Rear
Last Updated
5/12/2024
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
3
0
2016 Axle Alliance RT44.0-4 Rear Differential for a Freightliner Cascadia
$385 USD
(USED) Alliance Axle RT44.0-4 Ratio: 3.31 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510805 Ref# -
Condition
Used
Fits To Make(s)
Freightliner
Fits To Model(s)
Cascadia
Part Number
-
Stock Number
25630470
MLS Number
12853769
Category
Differentials, Rear
Last Updated
5/8/2024
Location
Spencer, IA, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
5
0
Axle Alliance RT40-4N Rear Differential for a 2012 Freightliner Cascadia 125
$488 USD
RT40-4N Rear - 3.91 Ratio - Core - Grade C - Rebuildable - Worn Thrust Washers. CORE UNIT SOLD AS-IS, Axle Spline Count: 41, Serial#: N/A, Core Charge: N/A, Ratio: 3.91
Condition
Used
Rear End
3.91 ratio
Fits To Make(s)
Freightliner
Fits To Model(s)
Cascadia 125
Will Fit Year(s)
2012
Stock Number
1295-4
MLS Number
11987856
Category
Differentials, Rear
Last Updated
5/7/2024
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
1
0
Axle Alliance ARS230-4 Rear Differential for a 2016 Freightliner B2
$1,395 USD
RS23.0-4N 5.88 14K MILES INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 5.88
Condition
Used
Rear End
5.88 ratio
Fits To Make(s)
Freightliner
Fits To Model(s)
B2
Will Fit Year(s)
2016
Stock Number
42524-3
MLS Number
12848530
Category
Differentials, Rear
Last Updated
5/7/2024
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
Axle Alliance R15-2N Rear Differential for a 2010 Freightliner MT55 Chassis
$650 USD
R15-2N, 4.10, S/N 742820-A112619. PRICE IS FOR DIFFERENTIAL ONLY, Serial#: 742820-A112619, Ratio: 4.10
Condition
Used
Rear End
4.10 ratio
Fits To Make(s)
Freightliner
Fits To Model(s)
MT55 Chassis
Will Fit Year(s)
2010
Stock Number
UPS-148426-3
MLS Number
12846944
Category
Differentials, Rear
Last Updated
8/31/2024
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
Axle Alliance RT40-4N Rear Differential for a 2013 Freightliner Cascadia 125
$750 USD
RT40-4N Rear - 3.58 Ratio - Pullout, DIFF ONLY HOUSING SOLD SEPARATELY, Ratio: 3.58
Condition
Used
Rear End
3.58 ratio
Fits To Make(s)
Freightliner
Fits To Model(s)
Cascadia 125
Will Fit Year(s)
2013
Stock Number
1696-4
MLS Number
12846914
Category
Differentials, Rear
Last Updated
6/23/2024
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
7
8
9
10
11
12
13
14
15
16
Save Search
Email Alert
What's
Save Search and Email Alert
?
Want to narrow or modify your search criteria?
Filter by Price
Filter by Year
Filter by Location
Filter by Model
Filter by Keyword
Modify your search
Did you find what you were looking for?
Yes
No
What option below best describes your issue?
Choose an option...
I still cannot find what I am looking for.
How do I filter or sort my search?
Could you add a feature?
A picture or description looks incorrect.
Something is broken.
Thank you for the feedback! If you have any suggestions on how to improve our site, please let us know.
Send Feedback
Thank you for the feedback! Your suggestions and feedback immensely help us improve our site.
Got a rear differential to sell? In minutes, you can create an online listing for your rear differential and advertise it to thousands of buyers.
Start selling today
Search Saved
Your search criteria for
has been saved. Quickly jump to this search by going to
My Account
and
Saved Searches
.
Alert Created
Your new listings email alert for
has been created. To change the email frequency or to modify your alerts, click on
My Account
,
Personal Settings
, and
New Listing Alerts
.