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![TH180 [89-UP] Automatic Transmission Modulator (1 Purple Stripe)](http://remco-transmission-parts.com/cdn/shop/files/BTM-31644D.jpg?v=1761795795&width=1)
![TH180 [89-UP] Automatic Transmission Modulator (1 Purple Stripe)](http://remco-transmission-parts.com/cdn/shop/files/BTM-31644D.jpg?v=1761795795&width=600)
TH180 [89-UP] Automatic Transmission Modulator (1 Purple Stripe)
$39.99
When the modulator is the confirmed cause of soft, harsh, or erratic shifts in a 4L30E or TH180 automatic transmission, replacing it with the correct adjustable unit gets the shift...