REVIEWS

Daqian World Commodity Store Th400 Vacuum Modulator of 2026

By Daqian World Commodity Store Editor • 2026-09-22
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Daqian World Commodity Store Th400 Vacuum Modulator

of September 2026
1
Best Choice
TCI 350001 GM TH350/TH400 Adjustable Vacuum Modulator Valve
TCI
9.9
Exceptional
4.5 stars
View on Amazon
2
Best Value
C4 TRANSMISSION VACUUM MODULATOR Push in Green Stripe Adjustable
CT Solutions
9.8
Exceptional
4.5 stars
View on Amazon
3
C4 TRANSMISSION VACUUM MODULATOR Push in YELLOW Stripe Adjustable
CT Solutions
9.7
Exceptional
4.5 stars
View on Amazon
4
Black Red Stripe VACUUM MODULATOR TH350 TH400 Transmission
CT Solutions
9.6
Exceptional
4.5 stars
View on Amazon
5
TH350 TH400 ST-300 VACUUM MODULATOR Red Stripe with Oring and Hose
CT Solutions
9.5
Excellent
4 stars
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6
ICT Billet Billet Aluminum TH400 TH350 Modulator Plug Turbo 400 350 551907
ICT Billet
9.4
Excellent
4 stars
View on Amazon
7
ATP Automotive JX-66 Automatic Transmission Modulator Valve
ATP Automotive
9.3
Excellent
4 stars
View on Amazon
8
Lokar KD-2400HT Electric Kickdown Kit for GM TH-400 Transmission
Lokar
9.2
Excellent
4 stars
View on Amazon
9
hangyux 350 TH400 Transmission Vacuum Modulator Adjustable Yellow Replacement
hangyux
9.1
Excellent
4 stars
View on Amazon
10
TCI 221300 TH400 Transbrake Solenoid
TCI
9
Excellent
4 stars
View on Amazon
11
JEGS Transmission Vacuum Modulator | For GM/Chevy 1963-1990 TH-350 and TH-400
JEGS
8.9
Very Good
3.5 stars
View on Amazon
12
ATP Automotive JX-67 Automatic Transmission Modulator Valve
ATP Automotive
8.8
Very Good
3.5 stars
View on Amazon
13
B&M 20234 Adjustable Vacuum Modulator
B&M
8.7
Very Good
3.5 stars
View on Amazon
14
Rostra 51-0062-02-00 Single Red Stripe Adjustable Vacuum Modulator
Rostra
8.6
Very Good
3.5 stars
View on Amazon
15
Rostra 51-0069-00-00 Dual Red Stripe Adjustable Vacuum Modulator
Rostra
8.5
Good
3 stars
View on Amazon
16
TURBO 400 TH400 TH350 TH250 RED STRIPE ADJUSTABLE MODULATOR 1965 UP for GM
Phoenix Transmission Parts
8.4
Good
3 stars
View on Amazon
17
Vacuum Modulator, Fits TH-400 TH-440 4T60, Adjustable Dual Red Stripe &
Tri Component
8.3
Good
3 stars
View on Amazon
Click here to learn more about these products.

TCI 350001 GM TH350/TH400 Adjustable Vacuum Modulator Valve

GM TH350TH400. Each. Fit type Vehicle Specific. Automotive-Automatic-Transmission-Modulator-Valves.

C4 TRANSMISSION VACUUM MODULATOR Push in Green Stripe Adjustable

C4 TRANSMISSION VACUUM MODULATOR Push in YELLOW Stripe Adjustable

CT4391 - A new single yellow stripe vacuum modulator for C4 and C5 Transmissions 1973-1983. Adjustable, push in, yellow stripe. A yellow stripe modulator is commonly found on larger vehicles and trucks.. Please note these no longer have actual stripes on the modulator but it is a yellow stripe modulator..

Black Red Stripe VACUUM MODULATOR TH350 TH400 Transmission

CT5015 - A new vacuum modulator for TH350 and TH400 Transmissions, 1965 up. Push in type, black red stripe, adjustable. This low vac modulator will give you an earlier and smoother shift from first to second, and second to third. It will stop irritating late shift issues in the TH350 and TH400. Includes vacuum tube and very important oring. Application. TH350 1969-1986. TH400 1965-1998. Please note these modulators now have words printed on them instead of the actual stripes..

TH350 TH400 ST-300 VACUUM MODULATOR Red Stripe with Oring and Hose

CT4692 - A new made in USA vacuum modulator for TH350 and TH400 Transmissions, 1965 up. Push in type, single red stripe. Adjustable for early or late shift. Includes vacuum tube and very important oring. This modulator is popular in all th350s and in normal vacuum th400s. Please note these modulators now have words printed on them instead of the actual stripes. Application. TH350 1969-1986. TH400 1965-1998. ST-300 1964-1969.

ICT Billet Billet Aluminum TH400 TH350 Modulator Plug Turbo 400 350 551907

Retains the factory modulator valve and locks it into place. Made in Wichita, Kansas From Aerospace Grade, USA Produced, Billet Aluminum. Includes 1 Plug and O-ring. For use with manual valve body TH400 or TH350 transmissions. TH400 TH350 modulator plug.

ATP Automotive JX-66 Automatic Transmission Modulator Valve

Product Type Auto Part. Package Dimensions 9.144Cm L X5.842Cm W X5.588Cm H. Country Of Origin China. Package Weight 0.3Lbs. Fit type Vehicle Specific.

Lokar KD-2400HT Electric Kickdown Kit for GM TH-400 Transmission

Use with TH400 transmissions. Stainless steel electric kickdown kit with Teflon-lined cables for extended life. Feature aluminum fittings. Adaptable to all types of manifolds. Kits includes U cut to fit stainless steel Teflon lined outer housing with aluminum fittings, stainless inner wire and mount bracket.

hangyux 350 TH400 Transmission Vacuum Modulator Adjustable Yellow Replacement Parts

Features an adjustable mechanism allowing precise tuning of shift points to match your vehicle's performance needs.. Engineered as a direct replacement vacuum modulator for a wide range of automatic transmission applications.. Regulates transmission fluid pressure by engine vacuum, ensuring smooth and consistent gear shifts.. Built with quality materials to withstand the demands of regular use and maintain reliable transmission performance.. Designed as a drop-in replacement part, making it straightforward to swap out your worn or faulty modulator..

TCI 221300 TH400 Transbrake Solenoid

TCI Transmission Brake Solenoid 0.200 in Stroke TH400 PN 221300. Country of Origin CHINA. Fit type Vehicle Specific. Package Weight 0.566 kilograms.

JEGS Transmission Vacuum Modulator | For GM/Chevy 1963-1990 TH-350 and TH-400 Transmissions | Adjustable

FITS GM and Chevrolet TH-350 and TH-400 transmissions with OE style connections. ADJUSTABLE to provide the option to change the shift points. INCLUDES valve, o-ring, and short 90-degree hose. EASY INSTALLATION for peace of mind. MUST HAVE ITEM for transmission rebuild and upgrade.

ATP Automotive JX-67 Automatic Transmission Modulator Valve

Product type HARDWARE HANDLE. Package dimensions 9.398 cm L x5.842 cm W x5.842 cm H. country of origin China. package weight 0.28lbs. Fit type Vehicle Specific.

B&M 20234 Adjustable Vacuum Modulator

Vacuum modulator is fully adjustable to custom tailor your shift points within 2-4 mph. Comes pre-adjusted for normal shift points to get you started. Applications include GM TH350 and TH400 transmissions. Genuine BM accessory. Backed by the manufacturer with a 1 year limited warranty.

Rostra 51-0062-02-00 Single Red Stripe Adjustable Vacuum Modulator

Made in the USA. Rostra Manufactured. Original Specifications. Pre-Tested and Calibrated. Brand New.

Rostra 51-0069-00-00 Dual Red Stripe Adjustable Vacuum Modulator

Made in the USA. Rostra Manufactured. Original Specifications. Pre-Tested and Calibrated. Brand New.

TURBO 400 TH400 TH350 TH250 RED STRIPE ADJUSTABLE MODULATOR 1965 UP for GM

Vacuum Modulator, Fits TH-400 TH-440 4T60, Adjustable Dual Red Stripe & Retainer Bracket

Modulator Part ID 8646956, 44160D, 35820P, W44160D, 8629953, 34820R, 35820P, 1394524, 1394525, 1394526, 1394527, 3027222, 3027223, 3032144, 3034884, 3049145, 3963812, 3963820, 8623365, 8623947, 8625976, 8629941, 8629942, 8629944, 8629945, 8629951, 8629953, 9777083. Bracket Part ID 5740325, 2520-00-557-6619, 8627650, 84634, 2520005576619. Kit Includes Modulator Hose tube, Bracket Bolt. Brand Rostra Modulator and Tri Component Bracket Modulator is Pre-Tested and Calibrated. Perfect for High-Performance, Heavy-Duty, Racing and Regular-Duty transmissions. Direct OEM Replacements. Fits the following GM Transmissions TH-400 TH400, THM-400, THM400 3L803L80HD TH-440, 4T60, 4T60E, GMC, Chevy, Pontiac, Oldsmobile, Cadillac Years 1964 and Up.

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