GMC 300 TH400 Parts

Get an exact fit for your

GMC 300

Year

Choose Year

Year

Make

Choose Make

Make

Model

Choose Model

Model

127 products

Sort By:

Clear All

Fitment

GMC 300

Transmission Family

TH400

Products

Lokar |

#491702

Lokar 70-SFR Rectangular Shifter Boot Ring, Stainless

(6)

Overall Length:

6.75"

Overall Width:

5.25"

Inside Width:

4.00"

$29.95

/each

-7%

Hurst |

#4404580

Hurst 114-4580 B-4 Shifter Boot and Plate

(7)

Shape:

Rectangular

Sold in Quantity:

Each

$51.95

/each

$56.19

Lokar |

#4913350436

Lokar TD-3350400FM36 TH350-TH400 36 Inch Hi-Tech Trans Dipstick

(3)

Dipstick Mount Style:

Firewall Mount

Overall Length:

36.00"

$163.95

/each

Lokar |

#4916999

Lokar ATA-7101 GM TH350 TH400 700R4 4L60 Trans Bell Crank Kit

(4)

Material Type:

Steel

Finish:

Zinc Plated

$36.95

/each

-7%

B&M 80680 Auto Shifter, Light Truck, GM/Ford/Chrysler Auto Trans

B&M |

#20080680

B&M 80680 Auto Shifter, Light Truck, GM/Ford/Chrysler Auto Trans

(1)

Position:

Floor Shifter

Transmission Type:

Automatic

Shifter Mount Style:

Floor Mount

$561.95

/each

$608.95

How to Identify GM Transmissions | 700R4, TH350, 4L60, TH400, 4L80e, Powerglide, & More

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

How to Install Side Detent Shifter for GM TH200, TH250, TH350, and TH400

Learn how to install a side detent shifter in a 1969 Chevy C10.

How to Adapt LS Engine to 700R4 or Turbo 350 Transmissions

We show you how to keep that old GM transmission when swapping in an LS engine. Our LS swap adapter kits make it easy!

Lokar |

#4911780

Lokar CINB-1780 TH350-TH400 Vertical Boot Shift Indicator W/ Boot Kit

(6)

Material Type:

Aluminum

Shape:

Rectangular

$409.95

/each

Lokar |

#491XTD3350400FM36

Lokar XTD-3350400FM36 Midnight Series Hi-Tech Dipstick, TH-350/TH-400

(1)

Dipstick Mount Style:

Firewall Mount

Lockable:

Overall Length:

36.00"

$176.95

/each

Lokar |

#491703

Lokar 70-SSR Round Shifter Boot Ring, Stainless

(2)

Inside Diameter:

Outside Diameter:

Material Type:

Stainless Steel

$29.95

/each

Maxima |

#22910901

Maxima 39-10901 Performance Break-In Engine Oil, 1QT, 10W30

(1)

Oil Weight:

10W30

Oil Type:

Break-In

ZDDP Enhanced:

Yes

$11.99

/quart

Hooker Headers |

#91602114

Hooker Headers LS Turbo Exhaust System Kit, TH350/400

(3)

Exhaust System Type:

Turbo-Back

Single or Dual:

Dual

Exhaust System Kit Type:

Direct Fit

$1,199.90

/kit

-7%

Hurst |

#4407494

Hurst 114-7494 Super Shifter Boot and Plate

(8)

Shape:

Rectangular

Sold in Quantity:

Each

Finish:

Brushed

$96.09

/each

$103.95

Lokar |

#491701

Lokar 70-BHRB Billet Round Shifter Boot Ring With Boot

(3)

Shape:

Round

Sold in Quantity:

Each

$77.95

/each

58 In. Streetrod Steel Driveshaft, 3 In OD, Chrysler C30,1310 U-J

Speedway Motors |

#9109682

58 In. Streetrod Steel Driveshaft, 3 In OD, Chrysler C30,1310 U-J

Overall Diameter:

3.00"

Overall Length:

58"

Transmission Yoke Included:

Yes

$526.99

/each

-7%

B&M 80903 Pro Stick Electric Shifter Solenoid

B&M |

#20080903

B&M 80903 Pro Stick Electric Shifter Solenoid

Sold in Quantity:

Kit

GTIN Code:

090127108369

$371.95

/kit

$402.95

Lokar |

#4919401A

Lokar CM400ANMB Nostalgia GM TH400 Shifter w/ Free Boot

(19)

Position:

Floor Shifter

Transmission Type:

Automatic

Shifter Mount Style:

Case Mount

$560.99

/kit

Lokar |

#49170CLB

Lokar 70-CLB Classic Shifter Boot with Ring

(3)

Shape:

Rectangular

Sold in Quantity:

Each

$64.95

/each

Lokar |

#4916400C

Lokar CM400CM TH400 Hi-Tech Shifter, 12 Inch

(4)

Position:

Floor Shifter

Transmission Type:

Automatic

Shifter Mount Style:

Case Mount

$465.95

/each

-8%

Classic Instruments |

#2751028Z

Classic Instruments SN74Z Speed Signal Module

(3)

Hall Effect:

Yes

Sending Unit Type:

Speedometer Signal Converter

$158.95

/each

$172.95

Lokar |

#491CIND1716

Lokar CIND-1716 Vertical Alum. LED Dash Shift Indicator Kit, 350/400

(1)

Neutral Safety Switch Included:

Yes

GTIN Code:

847087004497

$353.95

/each

Lokar |

#4916400A

Lokar CM400AM TH400 Hi-Tech Shifter, 23 Inch

(5)

Position:

Floor Shifter

Transmission Type:

Automatic

Shifter Mount Style:

Case Mount

$515.95

/each

Lokar |

#491ATS6400ANL

Lokar CM400ANL Auto Trans Shifter, GM TH-400, 23 Inch, Lokar Knob

Position:

Floor Shifter

Transmission Type:

Automatic

Shifter Mount Style:

Case Mount

$541.95

/each

Lokar |

#4916400F

Lokar CM400FM TH400 Hi-Tech Shifter, 6 Inch

Position:

Floor Shifter

Transmission Type:

Automatic

Shifter Mount Style:

Case Mount

$465.95

/each

Lokar |

#491CIND1715

Lokar CIND-1715 Horiz. Alum. LED Dash Shift Indicator Kit, 350/400

Neutral Safety Switch Included:

Yes

GTIN Code:

847087004480

$353.95

/each

TCI 961310 N1310 Universal Joint 1310 Series

TCI Automotive |

#282961310

TCI 961310 N1310 Universal Joint 1310 Series

Yoke U-Joint Series:

1310

Greaseable:

$52.95

/each

Holley |

#425558473

Holley 558-473 Chrysler 46RE Trans Control Harness, Term X Max

Sold in Quantity:

Kit

GTIN Code:

090127101551

$179.95

/kit

Lokar |

#491CIND1701

Lokar CIND-1701 Vert. Alum. LED Dash Shift Indicator, GM/Ford/Mopar

Neutral Safety Switch Included:

GTIN Code:

847087004435

$76.95

/each

TCI 961300 N3R Universal Joint S44/3R Series

TCI Automotive |

#282961300

TCI 961300 N3R Universal Joint S44/3R Series

Yoke U-Joint Series:

S44/3R

Greaseable:

$66.95

/each

Lokar |

#4916400R2

Lokar CM400R2MB GM TH400 Radical Double Bend Shifter, 32 Inch

(3)

Position:

Floor Shifter

Transmission Type:

Automatic

Shifter Mount Style:

Case Mount

$572.95

/each

Lokar |

#491XCIND1700

Lokar XCIND-1700 Midnight Series Univ. Alum. LED Horz. Dash Indicator

Neutral Safety Switch Included:

GTIN Code:

847087008549

$80.95

/each

Lokar |

#491FMS6400AB

Lokar FM400AMB Floor Mount Trans Shifter, TH-400, 23 In, Blk Knob

(1)

Position:

Floor Shifter

Transmission Type:

Automatic

Shifter Mount Style:

Floor Mount

$475.95

/each

Lokar |

#4913400

Lokar TD-3400TM TH400 Transmission Mount Shorty Dipstick

Dipstick Mount Style:

Bellhousing Mount

Overall Length:

18.25"

$138.95

/each

Lokar |

#491ATS6400ANM

Lokar CM400ANM Auto Trans Shifter, GM TH-400, 23 In, Mush Knob

(2)

Position:

Floor Shifter

Transmission Type:

Automatic

Shifter Mount Style:

Case Mount

$541.95

/each

Lokar |

#491ATS6400EM

Lokar CM400EM Auto Trans Shifter, GM TH-400, 8 In, Mushroom Knob

Position:

Floor Shifter

Transmission Type:

Automatic

Shifter Mount Style:

Case Mount

$465.95

/each

Lokar |

#491XFMS6400AN

Lokar FM400ANXMB Midnight Floor Mount Shifter, TH-400, 23 In

Position:

Floor Shifter

Transmission Type:

Automatic

Shifter Mount Style:

Floor Mount

$492.95

/each

Lokar |

#491ATS6400GM

Lokar CM400GM Auto Trans Shifter, GM TH-400, 16 Inch Bench Bend

Position:

Floor Shifter

Transmission Type:

Automatic

Shifter Mount Style:

Case Mount

$541.95

/each

Lokar |

#491XCIND1715

Lokar XCIND-1715 Midnight Series Horiz. Alum. LED Dash Indicator, GM

Neutral Safety Switch Included:

Yes

GTIN Code:

847087008969

$357.95

/each

Showing 1 - 72 of 127 results

Shop Feedback:

Did you find what you are looking for?

GMC 300 TH400 Parts

Category

Part

Brand

Availability

Discounts

Engine Family

Price

Customer Rating

Products

Lokar 70-SFR Rectangular Shifter Boot Ring, Stainless

Hurst 114-4580 B-4 Shifter Boot and Plate

Lokar TD-3350400FM36 TH350-TH400 36 Inch Hi-Tech Trans Dipstick

Lokar ATA-7101 GM TH350 TH400 700R4 4L60 Trans Bell Crank Kit

B&M 80680 Auto Shifter, Light Truck, GM/Ford/Chrysler Auto Trans

Related Articles

Lokar CINB-1780 TH350-TH400 Vertical Boot Shift Indicator W/ Boot Kit

Lokar XTD-3350400FM36 Midnight Series Hi-Tech Dipstick, TH-350/TH-400

Lokar 70-SSR Round Shifter Boot Ring, Stainless

Maxima 39-10901 Performance Break-In Engine Oil, 1QT, 10W30

Hooker Headers LS Turbo Exhaust System Kit, TH350/400

Hurst 114-7494 Super Shifter Boot and Plate

Lokar 70-BHRB Billet Round Shifter Boot Ring With Boot

58 In. Streetrod Steel Driveshaft, 3 In OD, Chrysler C30,1310 U-J

B&M 80903 Pro Stick Electric Shifter Solenoid

Lokar CM400ANMB Nostalgia GM TH400 Shifter w/ Free Boot

Lokar 70-CLB Classic Shifter Boot with Ring

Lokar CM400CM TH400 Hi-Tech Shifter, 12 Inch

Classic Instruments SN74Z Speed Signal Module

Lokar CIND-1716 Vertical Alum. LED Dash Shift Indicator Kit, 350/400

Lokar CM400AM TH400 Hi-Tech Shifter, 23 Inch

Lokar CM400ANL Auto Trans Shifter, GM TH-400, 23 Inch, Lokar Knob

Lokar CM400FM TH400 Hi-Tech Shifter, 6 Inch

Lokar CIND-1715 Horiz. Alum. LED Dash Shift Indicator Kit, 350/400

TCI 961310 N1310 Universal Joint 1310 Series

Holley 558-473 Chrysler 46RE Trans Control Harness, Term X Max

Lokar CIND-1701 Vert. Alum. LED Dash Shift Indicator, GM/Ford/Mopar

TCI 961300 N3R Universal Joint S44/3R Series

Lokar CM400R2MB GM TH400 Radical Double Bend Shifter, 32 Inch

Lokar XCIND-1700 Midnight Series Univ. Alum. LED Horz. Dash Indicator

Lokar FM400AMB Floor Mount Trans Shifter, TH-400, 23 In, Blk Knob

Lokar TD-3400TM TH400 Transmission Mount Shorty Dipstick

Lokar CM400ANM Auto Trans Shifter, GM TH-400, 23 In, Mush Knob

Lokar CM400EM Auto Trans Shifter, GM TH-400, 8 In, Mushroom Knob

Lokar FM400ANXMB Midnight Floor Mount Shifter, TH-400, 23 In

Lokar CM400GM Auto Trans Shifter, GM TH-400, 16 Inch Bench Bend

Lokar XCIND-1715 Midnight Series Horiz. Alum. LED Dash Indicator, GM