Allison 1000

1000

Click here for
Allison 1000 / 2000 / 2400 series
Transmission breakdown illustration

2000 to 2005 id different than the 2006 and Up Gen4 design

Subcategories in 1000


Products in 1000 by category


Transmission Rebuild kits
Part   #       Name & Description Image Price  
121002A         Overhaul kit, ALLISON 1000 / 2000 / 2400, 2001-2005
Basic overhaul kit includes, paper gaskets, O rings, lip seals, metal clad seals and sealing rings.
Includes Bonded pistons
 
  $418.66
121002B         Overhaul kit, ALLISON (Gen4) 1000 / 2000 / 2400, 2006-UP
(Gen4) Basic overhaul kit includes, paper gaskets, O rings, lip seals, metal clad seals and sealing rings.
Includes bonded pistons
 
  $422.70
121004A         Banner kit, ALLISON 1000 / 2000 /2400 , 2001-2005
Includes: overhaul kit, friction clutch plates
Includes BONDED pistons
 
  $503.33
121004B         Banner kit, ALLISON (Gen4) 1000 / 2000 /2400 2006-up
(Gen4) Includes: overhaul kit, friction clutch plates
Includes BONDED pistons
 
  $537.68
121006A         Master kit, ALLISON 1000 / 2000 /2400 , 2001-2005
Includes: overhaul kit, friction clutch plates & standard steel plates
Also includes BONDED pistons!
 
  $711.23
121006B         Master kit, ALLISON (Gen4) 1000 / 2000 /2400 2006-UP
(Gen4) Includes: overhaul kit, friction clutch plates & standard steel plates
Also includes BONDED pistons!
 
  $698.47
AHP121006APP         ALLISON 1000 HEAVY DUTY MASTER REBUILD KIT W/ PISTONS (99-05)
MASTER KIT INCLUDES: 121002A (w/ Pistons), A121108HPK(C1), A121100HPK(C2), A121106HPK(C3), A121104HPK(C4), A121114HPK(C5).
*NOTE THAT THESE CLUTCHES ARE POWERPACKS!*
Red Eagle Powerpacks have larger clutch apply area over stock!
 
ALLISON 1000 HEAVY DUTY MASTER REBUILD KIT W/ PISTONS (99-05) $1,086.75

Bushings
Part   #       Name & Description Image Price  
121030         Bushing Kit LT 1000 / 2000

 
  $48.84
121034         Bushing ALLISON LT1000 / 2000 pump body
Bushing, Front Pump Body (2nd Design)
 
  $12.57

Clutch plates
Part   #       Name & Description Image Price  
121100         Friction, ALLISON 1000, C2, 01-UP
Common brands - ALTO & Allomatic
 
  $5.23
121104         Friction, ALLISON 1000, C3 / C4, 01-UP
Common brands - ALTO & Allomatic
 
  $9.36
121108         Friction, ALLISON 1000, C1, 01-UP
Common brands - ALTO & Allomatic
 
  $3.61
121114         Friction, ALLISON 1000, C5, 01-UP
Common brands - ALTO & Allomatic
 
  $7.26
121120         Steel, ALLISON 1000, C2, 01-UP
Common brand - ALTO
 
  $7.96
121124         Steel, ALLISON 1000, C3 / C4, 01-UP
Common brand - ALTO
 
  $9.33
121128         Steel, ALLISON 1000, C1, 01-UP
Common brand - ALTO
 
  $4.48
121134         Steel, ALLISON 1000, C5, 01-UP, .098
Common brand - ALTO
 
  $11.59
121124A         Steel, ALLISON 1000, C3 / C4, Apply plate, 01-UP (.125)
Common brand - ALTO
 
  $12.58
121134A         Steel, ALLISON 1000, C5, 01-UP, Selective, .079
Common brand - ALTO
 
  $14.44
121134B         Steel, ALLISON 1000, C5, 01-UP Selective, .118
Common brand - ALTO
 
  $19.25
A121100HPK         Power Pack, C2 , LCT1000 2000-UP
Friction, Power Pack, C2 Clutch (High Performance)
 
  $164.10
A121104HPK         Power Pack, C4 Clutch , LCT1000
Friction, Power Pack, C4 Clutch (High Performance)
 
  $179.64
A121106HPK         Power Pack, C3 Clutch , LCT1000
Friction, Power Pack, C3 Clutch (High Performance)
 
  $142.40

Drums & Pistons
Part   #       Name & Description Image Price  
121962         Piston (Bonded), LCT1000 C3/C4 01-UP
C4 Clutch Piston (Bonded)
 
Piston (Bonded), LCT1000 C3/C4 01-UP $75.57
121960B         Piston (Bonded), LCT1000 C2 BAL 01-05 (ELIMINATED 06-UP)
C2 Balance Piston (Bonded) NOT USED in GEN 4
 
  $53.59
121964B         Piston (Bonded), LCT1000 C1 BAL 2001-05
C1 Balance Piston (Bonded)
 
  $40.15
121964BA         Piston (Bonded), LCT1000 C1 BAL 2006-UP
C1 Balance Piston (Bonded) Gen4 2006-up
 
  $44.63
D121554         DRUM, LT1000, C1/C2, 2000-05 W/PTO gear
Rotating Drum (C1-C2) (w/ PTO Gear)
 
  $809.79

Filters
Part   #       Name & Description Image Price  
121010         Filter, Allison 1000 / 2000 Shallow pan
2000-early 2006 1st design, Shallow pan filter
Pan depth is the same front to rear., .
 
Filter, Allison 1000 / 2000   Shallow pan $14.81
121013         Filter, 1000 / 2000 SPIN-ON 2000-UP
Allison transmission - External Spin on filter
Private label brand - manufactured by Linesoon mfg.
 
Filter, 1000 / 2000  SPIN-ON   2000-UP $7.68
121010A         Filter, Allison 1000 / 2000 Deep pan filter
2000-2009 1st design, Deep Pan
Pan depth TAPERS off from the FRONT to REAR., .
 
Filter, Allison 1000 / 2000    Deep pan filter $16.82
121010B         Filter, Shallow Pan , LT1000/2000/2400 2010-UP
Filter, Shallow Pan (2nd Design)
 
Filter, Shallow Pan , LT1000/2000/2400 2010-UP $59.31
121010C         Filter, Deep Pan , LT1000/2000/2400 2010-UP
Filter, Deep Pan (2nd Design)
 
Filter, Deep Pan , LT1000/2000/2400 2010-UP $51.05
121839         Filter - Magnet, External Spin On Filter LT1000 00-UP

 
  $8.54

Gaskets & O rings
Part   #       Name & Description Image Price  
121300         Pan Gasket: ALLISON 1000 / 2000 2000-UP
Molded rubber
 
Pan Gasket:  ALLISON 1000 / 2000 2000-UP $42.12
121305         Extension Housing Gasket

 
  $16.28
121311         O-Ring, Pump, ALLISON 1000 01-UP

 
  $7.70
121318         Gasket, Bell Housing Plate, ALLISON 1000 FRONT 01-UP
can use 121318B
 
  $14.16
121323         Gasket, Cooler Manifold, LT 1000

 
  $11.85
121318A         Gasket, Bell Housing Plate (Rear), ALLISON 1000

 
  $12.50
121318B         Gasket, Bell Housing Plate (Front) ALLISON 1000
2nd Design, Retros 2000-Up
 
  $15.05

Hard Parts
Part   #       Name & Description Image Price  
D121510K         Pump Body Kit , LT1/2000/2400 REPAIR COMPONENTS
Pump Body Kit (Includes Body, Gears, & Plate) (22T Design)
 
  $394.85
D121770         Extension Housing, LT1000/2000/2400, 4wd

 
  $811.33
U121678A         Shaft, LT1000/2000/2400, Output 4wd

 
  $206.26

Miscellaneous Items
Part   #       Name & Description Image Price  
121496         CLIP COOLER LINE LT1000 00-UP

 
  $1.72
50464001         Nut 1000/2000 Allison Output Shaft (4x4) (With 4 Notches On The Outside
29531231
 
  $47.76
A44839         Transmission MAGNET, Square
Magnet fits in most pans, Traps fine metal shavings
Approx 1 inchL x 3/4 inch W
 
Transmission MAGNET,  Square $2.34
LA-2001K         18 oz. Cooler line cleaner with 5/16 and 3/8 adapter
Always flush the cooling system
Contaminated fluid will stay in the cooling system, this will flush out the system and prevent re-contamination to the transmission!

Life Automotive Products INVENTED, DESIGNED & PATENTED the first aerosol Transmission Cooler Flush product in 1993 utilizing an OEM approved, biodegradable cleaning agent. Trans Flush's
 
18 oz. Cooler line cleaner with 5/16 and 3/8 adapter $24.68
M463SA         Ground strap, 14 inch long
Missing or bad ground straps can cause many problems.
A must check item on every rebuild.
 
Ground strap, 14 inch long $3.62
M463SB         Ground strap, 42 inch long
Missing or bad ground straps can cause many problems. A must check item on every rebuild
 
Ground strap, 42 inch long $7.52
M465SC         Trans Prep green Transmission Assembly Lube
YOU NEED THIS ON EVERY REBUILD
Specifically designed for automatic or manual transmission assembly. Lubricates o-rings, gaskets, bearings, bushings, sealing rings, thrust washers & seals during assembly. It's unique blue color prevents misdiagnosing leaks. Trans Prep will not melt at shop temperatures up to 135 ° & is formulated to dissolve quickly at oper
 
Trans Prep green Transmission Assembly Lube $11.48

Remanufactured Valve Bodies
Part   #       Name & Description Image Price  
P121740-1         Valve body LCT1000 , 00-03 , w/o modulated control
Remanufactured valve body: w/new trim A&B solenoid/PSM, w/updated TCC control sleeve
Reference # P15990
Please note that core deposit maybe required before shipping.
 
Valve body LCT1000 , 00-03 , w/o modulated control $656.96
P121740-2         Valve body LCT1000 , 04-05 , w/modulated control (5-Speed)
Remanufactured valve body: w/new trim A&B solenoid/PSM, w/updated TCC control sleeve
Reference # P121740-2
Please note that core deposit maybe required before shipping.
 
Valve body LCT1000 , 04-05 , w/modulated control (5-Speed) $622.50
T-BB100A         Accumulator Buddy Kit / Bore B rushes

 
Accumulator Buddy Kit / Bore B rushes $74.52
T-BB100         Tool, Bench buddy kit
Superior Bench Buddy (Superior BB100 )
Problem Solver
Impregnated with a special super fine abrasive, Bench Buddy brushes easily remove small burrs and polish the inside of a valve bore with virtually no enlargement of the bore diameter itself. Each Bench Buddy kit features 4 different sized brushes. * Improves the surface finish of a bore by up to 50% * Restore smooth valve operation i
 
Tool, Bench buddy kit $60.85

Solenoids
Part   #       Name & Description Image Price  
74418E         Solenoid, 4L60E TCC 1994-UP, 4L60E PWM & 3-2 Down shift 1993-95
4T40 / 45E TCC 1995-UP
4T80E Lock-Up (TCC) 1993-UP
4T65E Lock-up (TCC) 1997 +
Allison 1000 "F" LU / Trim
5L40 5L50 series TCC

Rostra part # - 52-0240
 
Solenoid, 4L60E TCC 1994-UP, 4L60E PWM & 3-2 Down shift 1993-95 $20.13
74418EA         Solenoid Shift, Allison "C", "D", "E" (1 solenoid)
Allison 1000/ 2000/2400 2001 - Up
Order 1 to 3 as needed for "C", "D", "E"
ALSO for L03-Up Modulated Pressure Control "G" L03-Up
Various brands as available! (D74418EA - 74418EA)
 
Solenoid Shift,  Allison  "C",  "D",  "E"    (1 solenoid) $18.39
D121418         Solenoid, Allison TRIM "A" 2000-05
ALLISON 1000/ 2000/2400
 
Solenoid,  Allison  TRIM "A"    2000-05 $175.07
D121418A         Solenoid, Allison TRIM "B" 2000-05
Allison 1000/ 2000/2400
 
Solenoid,  Allison  TRIM "B"  2000-05 $131.65
D121418B         SOLENOID PCS1 LT1000 06-UP
Solenoid, "PCS1" (Gen4)
 
  $70.51
D121418C         SOLENOID PCS2 LT1000 06-UP
Solenoid, "PCS2" (Gen4)
 
  $72.05
D121425         SOLENOID TCC PCS LT1000 06-UP
Solenoid, "PCS" (TCC) (Gen4)
 
  $99.86

Switches & Electrical
Part   #       Name & Description Image Price  
121410         Switch, 1000/2000 Allison Switch, Neutral Start/Backup (MLPS) 2 Connector
MPLS/PRNDL(2 Connector)2001- E2003(External) Switch, Neutral Start/Backup (MLPS) 2 Connector
(Tan/White Plastic, Retro-Fits The Black Plastic # D74410A)
 
Switch, 1000/2000 Allison Switch, Neutral Start/Backup (MLPS) 2 Connector $168.90
121438         Speed sensor, Allison, Input, Output & Turbine (1 sensor)
Order 1 to 3 as needed for Input speed sensor, Output speed sensor, & Turbine speed sensor
Allison 1000 / 2000 / 2400 series
 
Speed sensor,  Allison,  Input, Output & Turbine  (1 sensor) $16.75
14411A         Switch, 4T40 / 4T45E pressure manifold switch
2000-2005 Allison 1000 Switch Assembly, Pressure Manifold (6 Switch)
W-D14442A
 
Switch, 4T40 / 4T45E pressure manifold switch $65.91
74446K         Repair kit, 4L60E PARK / NEUTRAL Switch harness 1995-UP
Connects to PRNDL switch, 1995-2008 also order # D74410A
Also Allison 1000 / 2000 2000-2005
 
  $47.50
A74445U         Wiring Harness (External Repair) GM
Wiring Harness (External Repair) Universal 20 Pin
W-84445GH
 
  $58.29
D121410A         Switch, Neutral Start/Backup (MLPS) 1 Connector LT1000/2000 L03-05
Switch, Neutral Start/Backup (MLPS) 1 Connector
 
Switch, Neutral Start/Backup (MLPS) 1 Connector  LT1000/2000  L03-05 $122.12
D121410B         Switch, Internal Mode Switch (MLPS) LT1000 06-UP
Switch, Internal Mode Switch (MLPS) 1 Connector (Gen4)
 
  $125.37
D121411A         Switch Assembly, Pressure Manifold (4 Switch) LT1000 2000-UP
(WILL REPLACE 6 SWITCH)2000-up
 
  $79.08
D121446         Internal wiring harness, 6 solenoid type only
2001 to early 2003, Allison 1000 / 2000 / 2400 series
 
  $126.07
D121446A         Internal wiring harness, "7 solenoid type only"
Late 2003-2005, Allison 1000 / 2000 / 2400 series
 
  $113.42
D121446B         Wiring Harness Intrernal LT1000 2006-UP
Wiring Harness Assembly (Internal Mode) (Gen4 except GM)
 
  $151.13
D121446C         Wiring Harness Internal, LT1000 2006-UP
Wiring Harness Assembly (Internal Mode) (Gen4 GM Applications)
 
  $228.60

Torque converters
Part   #       Name & Description Image Price  
TC-A7X         Torque converter, Allison 1000, 2000, 2400
Diameter - 13.5" Single Friction Clutch, Pilot - 1.703", Mount - 6 Drilled Holes, Splines - 25
Notes - Replaces A7, Medium Stal - Green or Yellow Sticker, Built w/ Flanged Hub & Billet Cover, 1.75 Ratio,
Codes: 221, 29538529, 29538348,29530318, 29543003

NOTICE: Converters do not qualify for free shipping! Some Converters may require an $80.00 core charge a
 
Torque converter, Allison 1000, 2000, 2400 $434.60
TC-A7XH         Torque converter, Allison 1000, 2000, 2400
Diameter - 13.5" Single Friction Clutch, Pilot - 1.703", Mount - 6 Drilled Holes, Splines - 25
Notes - Replaces A7 High Stall, lHigh Stall - Blue or Orange Sticker Built w/ Flanged Hub & Billet Cover, 2.06 Ratio,
Codes: 210, 29538531, 29538197

NOTICE: Converters do not qualify for free shipping! Some Converters may require an $80.00 core charge added to o
 
Torque converter, Allison 1000, 2000, 2400 $384.54
TC-A7XL         Torque converter, Allison 1000, 2000, 2400
Diameter - 13.5" Single Friction Clutch, Pilot - 1.703", Mount - 6 Drilled Holes, Splines - 25
Notes - Replaces A7 Low Stall, Low Stall - Black Sticker, Built w/ Flanged Hub & Billet Cover, 1.63 Ratio,
Codes: 222, 29530317, 29538347,29538528, 29540484, 29543017
NOTICE: Converters do not qualify for free shipping! Some Converters may require an $80.00 core cha
 
Torque converter, Allison 1000, 2000, 2400 $413.67

Transmission repair manuals
Part   #       Name & Description Image Price  
121400         Transmission repair manual, ALLISON 1000 / 2000 2000-03
ATSG automatic transmission repair manual, Disassembly, inspection and assembly sections. Diagnosis, testing and lot of pictures
Allison (Generations I-II) 1000/2000 Transmission found in 2000 and up C and K Series trucks. Covers assembly, dis-assembly, diagnosis, troubleshooting, and electronic controls & operation
 
Transmission repair manual, ALLISON 1000 / 2000   2000-03 $36.98

Valve Body Kit
Part   #       Name & Description Image Price  
T121165         Shift Kit, Allison 1000-2000
Duramax Diesel 2001-2004, Heavy Duty, Street & Competition for Diesel/Gas Trucks.
Short, Crisp & Smooth upshifts and kickdowns.
Handles 600 Street Horsepower. Install during rebuild only!
Corrects/Prevents/Reduces: Goes to neutral under load
3-4 slip, burned C2 or C3 clutches, sticks in one gear
Won't move after extended parking,loss of pump prime & smart clutch control
 
Shift Kit,  Allison 1000-2000 $310.15
T121167         Shift Kit, Allison-Jr
2005 - 2006 Allison 6 spd 1000 Series
TransGo info: Install from bottom. Increases torque capacity
Corrects/Prevents/Reduces: Goes to neutral under load; 3-4 slip; burned C3 clutches; sticks in one gear; smart clutch control valves for increased durability; SHORT-CRISP-SMOOTH-upshifts and kickdowns.
 
Shift Kit, Allison-Jr $85.68
T-BB100A         Accumulator Buddy Kit / Bore B rushes

 
Accumulator Buddy Kit / Bore B rushes $74.52
T-BB100         Tool, Bench buddy kit
Superior Bench Buddy (Superior BB100 )
Problem Solver
Impregnated with a special super fine abrasive, Bench Buddy brushes easily remove small burrs and polish the inside of a valve bore with virtually no enlargement of the bore diameter itself. Each Bench Buddy kit features 4 different sized brushes. * Improves the surface finish of a bore by up to 50% * Restore smooth valve operation i
 
Tool, Bench buddy kit $60.85