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![3N71A L4N71B Modulator Screw-In .84 Diaphragm [71-UP]](http://remco-transmission-parts.com/cdn/shop/files/BTM-000050.jpg?v=1761795758&width=1)
![3N71A L4N71B Modulator Screw-In .84 Diaphragm [71-UP]](http://remco-transmission-parts.com/cdn/shop/files/BTM-000050.jpg?v=1761795758&width=600)
3N71A L4N71B Modulator Screw-In .84 Diaphragm [71-UP]
$34.99
When the modulator in a 3N71A or L4N71B unit fails, shift quality suffers immediately, and replacing it with the correct screw-in unit is a straightforward fix that restores proper vacuum-driven...