Best Modulators — top 25 on Amazon

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Automatic DCT250 DPS6 TCM Transmission Control Module Unit Programmed TCU for Ford Fiesta 1.6L 2011-2018 S SE ST #AE8Z-7Z369-F AE8Z7Z369F

DCT250 DPS6 TCM Transmission Control Module for Ford Focus 2.0L 2011-2018 | Programmed TCU S SE ST #AE8Z-7Z369-F AE8Z7Z369F AE8Z-7Z369-B AE8Z-7Z369-D AE8Z-7Z369-E A2C53377498 A2C30743100 A2C30743105

$269.99 ★★★½☆ 3.8

B&M 20234 Adjustable Vacuum Modulator

$51.95 ★★★★½ 4.4

ATP Automotive JX-67 Automatic Transmission Modulator Valve

$22.00 ★★★★½ 4.6

ATP Automotive JX-66 Automatic Transmission Modulator Valve

$14.26 ★★★★½ 4.6

ATP FX-226 Transmission Modulator Valve | Fits Select Chevrolet/Ford/Mazda Models

$22.02 ★★★½☆ 3.9

GM Genuine Parts 24279973 Transmission Control Module

$118.78 ★★★★½ 4.7

722.9 Transmission Intelligent Servo Control Module ISM for Mercedes | for C250 C300 C350 CL550 CLA250 CLA45 E250 E350 E400 E550 GL320 GL350 GL450 GL550 GLK250 GLK350 ML250 ML350 ML400 ML450 ML550

$170.99 ★★★½☆ 3.8

2004 Silverado Allison 5-Speed (Programmed) 15768288 09385220 09387820 Transmission Control Module TCM OEM Replacement

$639.95

#10

722.9 Transmission Intelligent Servo Module (ISM) - Compatible with Mercedes-Benz C-Class, E-Class, GL-Class, GLS, M-Class, R-Class, S-Class & More - Replaces A0002701752, 0044460310

$213.19 ★★★☆☆ 3.2

#11

Rostra (3035518 (51-0020-00-00)) Vacuum Modulator, 400 Black/Red Stripe (1964-Up)

$22.32 ★★★★★ 5.0

#12

ATP Automotive ATP FX-194 Automatic Transmission Modulator Valve

$32.62 ★★★★☆ 4.1

#13

Transmission Control Module Programmed TCM TCU for Ford Focus 2.0L 2011-18 | # AE8Z7Z369F AE8Z7Z369B AE8Z7Z369D AE8Z7Z369E

#14

ETC94-110N RE7R01A TCM Transmission Control Module Compatible for Infiniti EX37 Q50 Q60 Q70 Q80 M56 FX50 FX50S G37 370Z

$193.38

#15

Tenlioshun 24275873 24275874 Transmission Control Module 6L80 6L90 TCM for Cadillac Chevy GMC V8 V6 L4 Engines 2010-up 6124 0598 1870 4908 5259 7237 7576 6051 5873 5874

$255.00

#16

ATP FX-80 Automatic Transmission Modulator Valve

$30.57 ★★★★½ 4.6

#17

Getanye Transmission Control Module TCM TCU Replacement for 2010-2011 Mazda 3 2.0L Part# LF8M189E1A, LF8M189E1F, LF8M189E1G, LF8M189E1B, LF8M189E1C, LF8M189E1E, LF8M189E1H Programmed

★★★½☆ 3.8

#18

Transmission Control Module 04692392AG for 2006 Dodge Magnum Charger Jeep

$145.45

#19

Rostra 51-0033-04-00 Black Stripe Single Push-In Type Vacuum Modulator

$32.81 ★★★★½ 4.9

#20

Autopartsfreer Electronic Modulator 29508036 29508036D - Fits Allison AT545/MT640/MT643 | Thomas/Blue Bird/IC Bus School Buses, Freightliner Conventional Chassis, GMC Topkick, Chevy Kodiak

$339.99 ★★★★½ 4.7

#21

Rostra (D3TZ-7A377-A (951-003-04-00)) Modulator, C-6 Black Stripe (Single Line) (Push-In), 1973-Up

$29.38 ★★★½☆ 3.9

#22

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

$22.88 ★★★★☆ 4.3

#23

TCM Transmission Computer CEJ32-14C336-AA CEJ3214C336AA Compatible with Land Range Rover Evoque 2014-2015

$249.00

#24

Motorcraft Module

$90.41 ★★★½☆ 3.9

#25

Transmission Vacuum Modulator for GM 1963-1990 TH350/TH400 [Adjustable] | OEM Replacement, 1963-1990 GM 1963-1990 TH350/TH400, Sold Individually

$37.98 ★★★★½ 4.4