Gaskets & O rings


Part #     Name     Description Image Price  
44348       Transmission to Adapter O-Ring (700-R4, 4L60E, TH350, TH350C)
BW1370, BW1372, BW4470, NP205, NP207, NP208, NP231 Transmission to Adapter O-Ring (700-R4, 4L60E, TH350, TH350C)
Industry Ref # 24064

  $0.60
64380       O-Ring, GM Input shaft, LARGE TCC O-Ring,
Fits 125C,440,4T60E,4T40E, 200C & 700 with small 245mm converters.

  $1.03
74300       Pan Gasket: 700R4 / 4L60E
OE type Cork gasket

  $2.28
74311       O-Ring, 700 / 4L60E / 4L80E, Pump
Regular Pump "O" ring
Will not fit the 2004 & up 4L60E design pumps

  $2.29
74366       O-Ring, 700R4 / 4l60E, Servo cover, INNER
Red color

  $1.21
74380       O-Ring, 1998-up Input Shaft for 300MM Converter
O-Ring, Input Shaft (Small, V-8 Type) (300mm Conv)

  $1.59
351304       Transfer Case GASKET, Adapter to Transfer Case Gasket (GM)
BW 1372, NP 207, NP 231, NP 233, Adapter to Transfer Case Gasket (GM)
Industry Ref # TC2030-6

  $1.40
301304A       Adapter to Transfer Case Gasket (GM) (reference# 13743)
NP 203, Adapter to Transfer Case Gasket (GM)
Industry Ref # 13743

  $1.19
331304A       Transfer Case Gasket, Adapter to Transfer Case Gasket (M304317B)
BW 1370, BW 4470, NP 205, NP 207
NP 208, (Chevy), NP 241, (GM)
NP 242, NP 243, NP 249, NP 261
Industry Ref # TC2030-9

  $1.26
44371A       O-Ring, GM / Ford / Chrysler Filler tube
Various years and models, Most popular O ring

  $1.29
74175T       Ring kit , 700R4 / 4L60E
Sealing Ring Kit

  $8.35
74300F       Pan Gasket: 700R4 / 4L60E
Updated Fiber gasket

  $3.50
74310A       Gasket, 700R4 / 4L60E, Pump, Late 1983-UP


  $2.01
74311A       SEAL,FRONT, 4L60E/65E PUMP TO CASE 04-UP BONDED RUBBER


  $19.90
74312A       O-Ring, 700-R4 / 4L60E front pump BOLTS, L1986-UP
Each, Order as needed

  $1.22
74320EA       Gasket, 4L60E upper valve body, 93-00


  $2.34
74320EB       Gasket, 4L60E upper valve body, 2001-UP
White stripe

  $2.24
74320GK       Gasket, Valve Body - replaces Bonded Gaskets
Some 2006 and up models of the 4L60E / 4L70 were produced with a valve body separator plate with the gaskets bonded to the plate.
During rebuild, you will need to replace the Bonded Gaskets with the Updated Kit gaskets with a Orange Stripe on them.
Click here for the TransTec Bulletin

  $6.39
74321EA       Gasket, 4L60E lower valve body, 93-00


  $2.35
74321EB       Gasket, 4L60E lower valve body, 2001-UP
White stripe

  $2.23
74348E       Seal, 4L60E extension housing to case, 1996-UP *
Removable BELL Housing / case

  $2.50
74366A       O-Ring, 700R4 / 4L60E, Servo cover, (OUTER)
Blue color

  $2.04
74475A       Seal,4L60E, input housing to output shaft
Viton

  $2.49
D74311A       O-Ring, Front Pump (Molded Seal)***SEE 74311A***
2004 up type Molded Seal

  $23.67