Skip to main content
Hi
!
Hi!
Sign in
or
register
Daily Deals
Brand Outlet
Gift Cards
Help & Contact
Sell
Watchlist
Expand Watch List
My eBay
Expand My eBay
Summary
Recently Viewed
Bids/Offers
Watchlist
Purchase History
Buy Again
Selling
Saved Feed
Saved Searches
Saved Sellers
My Garage
Sizes
My Collection
Messages
PSA Vault
Expand Notifications
Please
sign-in
to view notifications.
Expand Cart
Loading...
eBay Home
Shop by category
All Categories
Search
Advanced
breadcrumb
eBay
eBay Motors
Parts & Accessories
Car & Truck Parts & Accessories
eBay Motors
Parts & Accessories
Car & Truck Parts & Accessories
Starters, Alternators, ECUs & Wiring
ECUs & Computer Modules
Confirm this item fits
Add your vehicle to make sure this item fits and qualifies for free returns.
Year
Make
Model
Trim
Engine
Add vehicle
Picture 1 of 4
Picture 1 of 4
2003-2006 Chevrolet Silverado ECU/ECM 12586242
5.0
1 product rating
Flagship One, Inc. (81716)
99.4% positive feedback
Price:
$219.99
Free shipping
Est. delivery
Sat, Oct 18 - Fri, Oct 24
Estimated delivery Sat, Oct 18 - Fri, Oct 24
Returns:
30 days returns
.
Seller pays for return shipping
.
Condition:
Remanufactured
Remanufactured
Engine Computer Programmed Plug&Play 2004 Chevy Avalanche 1500 12586242 5.3L ECM.
See full description
Buy It Now
Engine Computer Programmed Plug&Play 2004 Chevy Avalanche 1500 12586242 5.3L ECM
Sign in to check out
Check out as guest
Add to cart
See all details
Oops! Looks like we're having trouble connecting to our server.
Refresh your browser window to try again.
About this product
Product Identifiers
Brand
Chevrolet
Manufacturer Part Number
12586242
GTIN
0689124925989
UPC
0689124925989
eBay Product ID (ePID)
1530299296
Product Key Features
Protection Lock
No
Memory
Flash
Terminal Type
Pin
Vintage Part
No
Universal Fitment
No
Programming Required
Yes
Placement on Vehicle
Front
Connector Type
Female
Features
Easy Installation
California Prop 65 Warning
N/A
Type
Engine Control Unit (ECU)
Show More
Show Less
All listings for this product
Listing type
Buy It Now
Buy It Now
selected
Condition
-
Pre-owned
2005 Chevy Silverado 1500 Engine Control Module ECM w/ Bracket OEM 12586242
item 1 2005 Chevy Silverado 1500 Engine Control Module ECM w/ Bracket OEM 12586242
$18.99
+$13.31 shipping
2003-2006 CHEVY SILVERADO GMC SIERRA ECM ENGINE COMPUTER 12586242
item 2 2003-2006 CHEVY SILVERADO GMC SIERRA ECM ENGINE COMPUTER 12586242
$35.00
Free shipping
2003-2006 CHEVY SILVERADO GMC SIERRA ECM ENGINE COMPUTER 12586242
item 3 2003-2006 CHEVY SILVERADO GMC SIERRA ECM ENGINE COMPUTER 12586242
$35.00
Free shipping
2003-2006 CHEVY SILVERADO ECM ENGINE COMPUTER (A25) 12586242 yfxl 12583660
item 4 2003-2006 CHEVY SILVERADO ECM ENGINE COMPUTER (A25) 12586242 yfxl 12583660
$39.99
Free shipping
2003-2006 CHEVY SILVERADO ECM ENGINE COMPUTER (A52) 12586242 yfxl
item 5 2003-2006 CHEVY SILVERADO ECM ENGINE COMPUTER (A52) 12586242 yfxl
$39.99
Free shipping
2003-2006 Chevrolet Silverado ECU/ECM 12586242
item 6 2003-2006 Chevrolet Silverado ECU/ECM 12586242
$40.00
Free shipping
04 SILVERADO 1500 2500 3500 ECM ENGINE CONTROL MODULE ID: 12586242 OEM 3764-7
item 7 04 SILVERADO 1500 2500 3500 ECM ENGINE CONTROL MODULE ID: 12586242 OEM 3764-7
$40.00
Free shipping
04 TAHOE ECM ENGINE CONTROL MODULE OEM 4117-11
item 8 04 TAHOE ECM ENGINE CONTROL MODULE OEM 4117-11
$40.00
Free shipping
OEM 2003-2006 Chevrolet Silverado Sierra 5.3 ECM Engine Computer | 12586242
item 9 OEM 2003-2006 Chevrolet Silverado Sierra 5.3 ECM Engine Computer | 12586242
$30.23
+$10.00 shipping
Engine ECM Electronic Control Module Fits 2004 SILVERADO 12586242
item 10 Engine ECM Electronic Control Module Fits 2004 SILVERADO 12586242
$44.17
Free shipping
04 Chevrolet Suburban Engine Control Module Unit Ecm 12587672 12586242 12583660
item 11 04 Chevrolet Suburban Engine Control Module Unit Ecm 12587672 12586242 12583660
$44.95
Free shipping
04 Chevrolet Suburban Engine Control Module Unit Ecm 12587672 12586242 12583660
item 12 04 Chevrolet Suburban Engine Control Module Unit Ecm 12587672 12586242 12583660
$44.99
Free shipping
Last one
2003-2006 Chevrolet Silverado Engine Computer ECU ECM 12586242 YFXL 12583660 -
item 13 2003-2006 Chevrolet Silverado Engine Computer ECU ECM 12586242 YFXL 12583660 -
$45.00
Free shipping
2004 Chevrolet Tahoe Yukon Engine Control Module ECU 12586242 Module YFXL
item 14 2004 Chevrolet Tahoe Yukon Engine Control Module ECU 12586242 Module YFXL
$35.00
+$11.25 shipping
03-06 Chevrolet Silverado Sierra 5.3L Engine Computer ECU ECM 12586242 12583660
item 15 03-06 Chevrolet Silverado Sierra 5.3L Engine Computer ECU ECM 12586242 12583660
$47.99
Free shipping
2003-2006 Chevrolet Silverado 5.3L Engine Control Unit Module ECM 12586242 YFXL
item 16 2003-2006 Chevrolet Silverado 5.3L Engine Control Unit Module ECM 12586242 YFXL
$49.99
Free shipping
2004 CHEVROLET SILVERADO 12586242 ENGINE COMPUTER ecu 12583660 ecm
item 17 2004 CHEVROLET SILVERADO 12586242 ENGINE COMPUTER ecu 12583660 ecm
$50.00
Free shipping
03-06 Chevrolet Silverado Sierra 5.3L Engine Control Module ECU ECM 12586242
item 18 03-06 Chevrolet Silverado Sierra 5.3L Engine Control Module ECU ECM 12586242
$50.00
Free shipping
2003-2006 SILVERADO SIERRA ECM ENGINE COMPUTER (A31) 12583660 yfxl 12586242
item 19 2003-2006 SILVERADO SIERRA ECM ENGINE COMPUTER (A31) 12583660 yfxl 12586242
$50.39
Free shipping
2003-2006 SILVERADO SIERRA ECM ENGINE COMPUTER (A37) 12583660 yfxl 12586242
item 20 2003-2006 SILVERADO SIERRA ECM ENGINE COMPUTER (A37) 12583660 yfxl 12586242
$50.39
Free shipping
2003-2006 Chevrolet Silverado Sierra Engine Control Unit Module ECM ECU q0739 DG
item 21 2003-2006 Chevrolet Silverado Sierra Engine Control Unit Module ECM ECU q0739 DG
$50.51
Free shipping
04-06 Yukon Silverado Sierra 5.3L 6.0L Engine Computer ECU ECM 12586242 12583660
item 22 04-06 Yukon Silverado Sierra 5.3L 6.0L Engine Computer ECU ECM 12586242 12583660
$52.00
Free shipping
03 04 05 06 07 Chevrolet Silverado Sierra ECM Engine Computer Module 12586242
item 23 03 04 05 06 07 Chevrolet Silverado Sierra ECM Engine Computer Module 12586242
$52.76
Free shipping
03 04 05 06 07 Chevrolet Silverado Sierra ECM Engine Computer Module 12586242
item 24 03 04 05 06 07 Chevrolet Silverado Sierra ECM Engine Computer Module 12586242
$52.76
Free shipping
03 04 05 06 Chevrolet Silverado Sierra ECM Engine Computer Module 12586242
item 25 03 04 05 06 Chevrolet Silverado Sierra ECM Engine Computer Module 12586242
$52.76
Free shipping
2004 Silverado Engine computer 12586242 ECM PCM ECU
item 26 2004 Silverado Engine computer 12586242 ECM PCM ECU
$52.99
Free shipping
03 04 05 06 Chevy Silverado 5.3L Engine Computer Control Module ECM OEM 12586242
item 27 03 04 05 06 Chevy Silverado 5.3L Engine Computer Control Module ECM OEM 12586242
$54.52
Free shipping
12586242 Chevy Trailblazer V8 2003 Engine Control Unit ECU Delphi 12583660
item 28 12586242 Chevy Trailblazer V8 2003 Engine Control Unit ECU Delphi 12583660
$55.00
Free shipping
2003 04 05 06 Chevrolet Silverado Engine Computer ECU ECM 12586242 YFXL 12583660
item 29 2003 04 05 06 Chevrolet Silverado Engine Computer ECU ECM 12586242 YFXL 12583660
$55.00
Free shipping
2004 Chevrolet Tahoe Yukon Engine Control Unit ECU 12586242 Module
item 30 2004 Chevrolet Tahoe Yukon Engine Control Unit ECU 12586242 Module
$40.00
+$15.00 shipping
03 04 05 06 Chevy Silverado 5.3L Engine Computer Control Module ECM OEM 12586242
item 31 03 04 05 06 Chevy Silverado 5.3L Engine Computer Control Module ECM OEM 12586242
$55.32
Free shipping
😈 2004 SUBURBAN ECM ENGINE CONTROL MODULE COMPUTER PCM ECU POWER 5.3L YFXM
item 32 😈 2004 SUBURBAN ECM ENGINE CONTROL MODULE COMPUTER PCM ECU POWER 5.3L YFXM
$56.99
Free shipping
USED OEM 2004 CHEVROLET SILVERADO 12586242 YFXL ENGINE COMPUTER
item 33 USED OEM 2004 CHEVROLET SILVERADO 12586242 YFXL ENGINE COMPUTER
$58.50
Free shipping
✅03-06 Chevrolet Silverado Sierra 5.3L Engine Computer ECU ECM 12586242 12583660
item 34 ✅03-06 Chevrolet Silverado Sierra 5.3L Engine Computer ECU ECM 12586242 12583660
$49.99
+$9.99 shipping
2004 04 CHEVROLET SILVERADO ENGINE COMPUTER MODULE ECU ECM 12586242 YFXM OEM
item 35 2004 04 CHEVROLET SILVERADO ENGINE COMPUTER MODULE ECU ECM 12586242 YFXM OEM
$59.99
Free shipping
2004 04 CHEVROLET SILVERADO ENGINE COMPUTER MODULE ECU ECM 12586242 YFXL OEM
item 36 2004 04 CHEVROLET SILVERADO ENGINE COMPUTER MODULE ECU ECM 12586242 YFXL OEM
$59.99
Free shipping
2005 Chevy Silverado 1500 Engine Control Unit Module ECU w/ Bracket OEM 12586242
item 37 2005 Chevy Silverado 1500 Engine Control Unit Module ECU w/ Bracket OEM 12586242
$60.00
Free shipping
2004 chevy avalanche ecm pcm engine computer module 5.3L 2003-2006 silverado
item 38 2004 chevy avalanche ecm pcm engine computer module 5.3L 2003-2006 silverado
$64.95
Free shipping
2003 - 2006 Chevrolet Silverado Tahoe Engine Control Unit ECU ECM / 12586242
item 39 2003 - 2006 Chevrolet Silverado Tahoe Engine Control Unit ECU ECM / 12586242
$69.29
Free shipping
2004 04 CHEVROLET SILVERADO ENGINE COMPUTER MODULE ECU ECM 12586242 YFXL OEM
item 40 2004 04 CHEVROLET SILVERADO ENGINE COMPUTER MODULE ECU ECM 12586242 YFXL OEM
$69.99
Free shipping
ECU 2004 Chevrolet Silverado 1500 Engine Control Module 12586242
item 41 ECU 2004 Chevrolet Silverado 1500 Engine Control Module 12586242
$55.00
+$15.00 shipping
Chevy Gm GMC 12586242 YFXL 12583660 ECM ECU
item 42 Chevy Gm GMC 12586242 YFXL 12583660 ECM ECU
$72.00
Free shipping
04 Chevrolet Silverado Tahoe Engine Control Computer 12586242 17
item 43 04 Chevrolet Silverado Tahoe Engine Control Computer 12586242 17
$74.96
Free shipping
04 Escalade 6.0 Awd Engine Control Unit ECU 12586242 Module
item 44 04 Escalade 6.0 Awd Engine Control Unit ECU 12586242 Module
$75.00
Free shipping
03-06 Suburban Electronic 5.3L Motor Engine Control Module ECM ECU PCM PCU WTY
item 45 03-06 Suburban Electronic 5.3L Motor Engine Control Module ECM ECU PCM PCU WTY
$75.33
Free shipping
2003-2006 Chevrolet Silverado Engine Computer ECU ECM 12586242 YFXL Needs Unlock
item 46 2003-2006 Chevrolet Silverado Engine Computer ECU ECM 12586242 YFXL Needs Unlock
$75.99
Free shipping
03-06 AVALANCHE SILVERADO SIERRA ENGINE COMPUTER MODULE UNIT ECU ECM BLUE/GREEN
item 47 03-06 AVALANCHE SILVERADO SIERRA ENGINE COMPUTER MODULE UNIT ECU ECM BLUE/GREEN
$75.99
Free shipping
Engine Computer ECM Electronic Control Module Fits 04 CHEVROLET AVALANCHE e10-67
item 48 Engine Computer ECM Electronic Control Module Fits 04 CHEVROLET AVALANCHE e10-67
$70.00
+$8.00 shipping
Engine Computer ECM Electronic Control Module Fits 2004 CHEVROLET AVALANCHE b199
item 49 Engine Computer ECM Electronic Control Module Fits 2004 CHEVROLET AVALANCHE b199
$70.00
+$8.00 shipping
2004 Silverado Sierra Tahoe Suburban Powertrain Control Module PCM OEM. 12586242
item 50 2004 Silverado Sierra Tahoe Suburban Powertrain Control Module PCM OEM. 12586242
$79.99
Free shipping
2003-2006 Chevrolet Silverado ECU/ECM 12586242
item 51 2003-2006 Chevrolet Silverado ECU/ECM 12586242
$80.00
Free shipping
Engine Computer ECM 12586242 Electronic Control Module Fits 04 AVALANCHE BOX22
item 52 Engine Computer ECM 12586242 Electronic Control Module Fits 04 AVALANCHE BOX22
$80.50
+$8.00 shipping
Engine Computer ECM 12586242 Electronic Control Module Fits 04 CHEVY AVALANCHE
item 53 Engine Computer ECM 12586242 Electronic Control Module Fits 04 CHEVY AVALANCHE
$80.50
+$8.00 shipping
2004 GMC YUKON DENALI ENGINE COMPUTER BRAIN BOX ECU ECM 12586242 OEM YFXL
item 54 2004 GMC YUKON DENALI ENGINE COMPUTER BRAIN BOX ECU ECM 12586242 OEM YFXL
$89.95
Free shipping
2003 - 2006 Chevrolet Silverado 5.3L Engine Computer ECM ECU 12586242 YFXL
item 55 2003 - 2006 Chevrolet Silverado 5.3L Engine Computer ECM ECU 12586242 YFXL
$89.99
Free shipping
2004 CHEVROLET CADILLAC GMC HUMMER BUICK PCM ECU CONTROL MODULE 12586242 OEM qsx
item 56 2004 CHEVROLET CADILLAC GMC HUMMER BUICK PCM ECU CONTROL MODULE 12586242 OEM qsx
$89.99
Free shipping
2004 CHEVROLET CADILLAC GMC HUMMER BUICK PCM ECU CONTROL MODULE 12586242 OEM
item 57 2004 CHEVROLET CADILLAC GMC HUMMER BUICK PCM ECU CONTROL MODULE 12586242 OEM
$89.99
Free shipping
12586242 Chevy 2004 Silverado 5.3L Engine Computer GMC Sierra Tahoe YFXM OEM I48
item 58 12586242 Chevy 2004 Silverado 5.3L Engine Computer GMC Sierra Tahoe YFXM OEM I48
$78.50
+$14.82 shipping
See all 113
listings for this product
Ratings and Reviews
Learn more
5.0
1 product rating
5
1 users rated this 5 out of 5 stars
1
4
0 users rated this 4 out of 5 stars
0
3
0 users rated this 3 out of 5 stars
0
2
0 users rated this 2 out of 5 stars
0
1
0 users rated this 1 out of 5 stars
0
Most relevant reviews
by
mrmjr61
May 22, 2024
Needs to be progammed
Needs to be progammed
Verified purchase:
Yes
Condition:
Pre-owned
Best Selling in ECUs & Computer Modules
Genuine Nissan IPDM ECM Relay TITAN Armada Xterra Frontier Pathfinder 284B7CW29E
(69)
$6.24 New
$6.24 New
---- Used
No used products available
Diesel Glow Plug Switch Motorcraft DY-861
(39)
$30.00 New
$30.00 New
---- Used
No used products available
5317106 CUMMINS ECM ENGINE CONTROL MODULE ISX ISL ISB ISF 5290170NX CM2350
(4)
$496.00 New
$496.00 New
$349.99 Used
$349.99 Used
GM VATS or Passkey II Bypass Module for Ls1 and Lt1
(24)
$17.99 New
$17.99 New
---- Used
No used products available
Starter Switch LISLE 20750
(30)
$22.94 New
$22.94 New
---- Used
No used products available
OEM Cummins ISX Cm570 ECM 3408501 CPL 8471
(4)
$739.98 New
$739.98 New
$399.00 Used
$399.00 Used
Obd0 to Obd1 ECU Jumper Conversion Wiring Harness for Honda CRX Acura Integra
(2)
$24.99 New
$24.99 New
---- Used
No used products available
Save on ECUs & Computer Modules
Trending price is based on prices over last 90 days.
For Cummins Isx Ecm Cm871 Engine 3684275
$797.42
Trending at
$915.00
2005-2009 Nissan Armada Xterra Titan Pathfinder IDPM ECM Recall Relay OEM NEW
$7.37
Trending at
$8.09
Z Automotive Tazer JL Mini Programmer for 2018-2026 Wrangler JL & Gladiator JT
$279.99
Trending at
$329.00
Genuine Electronic Control Module Computer ECM 3103533 for Cummins CM875
$1,026.95
Trending at
$1,073.33
Toyota GENUINE DRIVER AIR INJECTION CONTROL 89581-34041 OEM
$70.00
Trending at
$116.51
Diesel Engine Computer Module ECM ECU 3408501 Fits For Cummins ISM11 M11 QSM11
$739.98
Trending at
$1,225.00
You may also like
2006 Chevrolet Silverado 1500
2003 Chevrolet Silverado 1500
Headlight Assemblies for 2003 Chevrolet Silverado 1500
Headlight Assemblies for 2006 Chevrolet Silverado 1500
Chevrolet Silverado 2500 2006 Cars and Trucks
Headlights for Chevrolet Silverado 1500