Manufacturer
TCL Replacement Parts

Model Number
55S421

Description
55-Inch Class 4-Series 4K Uhd Hdr Roku Smart Tv (2018/2019)

This model has multiple variations. Here is an example of how to locate your serial # section.
Please choose your serial # section from the list below, so that we can take you to your specific list of parts for model 55S421.
serial # section
55S421 - GTC003410A
55S421 - GTC003411A
55S421 - GTC003486A
55S421 - GTC003487A
55S421 - GTC003647A
55S421 - GTC003714A
55S421 - GTC004046A
55S421 - GTC003648A
55S421 - GTC003649A
55S421 - GTC003803A
55S421 - GTC003818A
55S421 - GTC003819A
55S421 - GTC003820A
55S421 - GTC003821A
55S421 - GTC003822A
55S421 - GTC003823A
55S421 - GTC003824A
55S421 - GTC003829A
55S421 - GTC003844A
55S421 - GTC003848A
55S421 - GTC003853A
55S421 - GTC003858A
55S421 - GTC003845A
55S421 - GTC003896A
55S421 - GTC003897A
55S421 - GTC003898A
55S421 - GTC003899A
55S421 - GTC003900A
55S421 - GTC003901A
55S421 - GTC003902A
55S421 - GTC003906A
55S421 - GTC003907A
55S421 - GTC003908A
55S421 - GTC003909A
55S421 - GTC003910A
55S421 - GTC003911A
55S421 - GTC003915A
55S421 - GTC003916A
55S421 - GTC003917A
55S421 - GTC004003A
55S421 - GTC004015A
55S421 - GTC004017A
55S421 - GTC004020A
55S421 - GTC004022A
55S421 - GTC004025A
55S421 - GTC004028A
55S421 - GTC004030A
55S421 - GTC004035A
55S421 - GTC004036A
55S421 - GTC004044A
55S421 - GTC004008A
55S421 - GTC004032A
55S421 - GTC004033A
55S421 - GTC004039A
55S421 - GTC004041A
55S421 - GTC004045A
55S421 - GTC004047A
55S421 - GTC004126A
55S421 - GTC004127A
55S421 - GTC004134A
55S421 - GTC004135A
55S421 - GTC004136A
55S421 - GTC004139A
55S421 - GTC004140A
55S421 - GTC004166A
55S421 - GTC004167A
55S421 - GTC004168A
55S421 - GTC004169A
55S421 - GTC004242A
55S421 - GTC004244A
55S421 - GTC004246A
55S421 - GTC004248A
55S421 - GTC004249A
55S421 - GTC004252A
55S421 - GTC004254A
55S421 - GTC004256A
55S421 - GTC004258A
55S421 - GTC004262A
55S421 - GTC004264A
55S421 - GTC004266A
55S421 - GTC004269A
55S421 - GTC004271A
55S421 - GTC004272A
55S421 - GTC004280A
55S421 - GTC004358A
55S421 - GTC004359A
55S421 - GTC004360A
55S421 - GTC004361A
55S421 - GTC004362A
55S421 - GTC004363A
55S421 - GTC004365A
55S421 - GTC004366A
55S421 - GTC004367A
55S421 - GTC004368A
55S421 - GTC004369A
55S421 - GTC004433A
55S421 - GTC004434A
55S421 - GTC004435A
55S421 - GTC004436A
55S421 - GTC004437A
55S421 - GTC004438A
55S421 - GTC004439A
55S421 - GTC004440A
55S421 - GTC004441A
55S421 - GTC004509A
55S421 - GTC004510A
55S421 - GTC004511A
55S421 - GTC004512A
55S421 - GTC004563A
55S421 - GTC004565A
55S421 - GTC004567A
55S421 - GTC004573A
55S421 - GTC004574A
55S421 - GTC004579A
55S421 - GTC004580A
55S421 - GTC004582A
55S421 - GTC004646A
55S421 - GTC004648A
55S421 - GTC004684A
55S421 - GTC004685A
55S421 - GTC004686A
55S421 - GTC004687A
55S421 - GTC004688A
55S421 - GTC004689A
55S421 - GTC004690A
55S421 - GTC004691A
55S421 - GTC004692A
55S421 - GTC004693A
55S421 - GTC004694A
55S421 - GTC004695A
55S421 - GTC004696A
55S421 - GTC004697A
55S421 - GTC004698A
55S421 - GTC004699A
55S421 - GTC004700A
55S421 - GTC004701A
55S421 - GTC004702A
55S421 - GTC004703A
55S421 - GTC004704A
55S421 - GTC004705A
55S421 - GTC004706A
55S421 - GTC004783A
55S421 - GTC004785A
55S421 - GTC004787A
55S421 - GTC004789A
55S421 - GTC004790A
55S421 - GTC004792A
55S421 - GTC004793A
55S421 - GTC004794A
55S421 - GTC004797A
55S421 - GTC004800A
55S421 - GTC004803A
55S421 - GTC004805A
55S421 - GTC004808A
55S421 - GTC003912A
55S421 - GTC003913A
55S421 - GTC003914A
55S421 - GTC004916A
55S421 - GTC004917A
55S421 - GTC004918A
55S421 - GTC004919A
55S421 - GTC004920A
55S421 - GTC004921A
55S421 - GTC004923A
55S421 - GTC004925A
55S421 - GTC004926A
55S421 - GTC004927A
55S421 - GTC004928A
55S421 - GTC004929A
55S421 - GTC004980A
55S421 - GTC005009A
55S421 - GTC005010A
55S421 - GTC005103A
55S421 - GTC005104A
55S421 - GTC005105A
55S421 - GTC005106A
55S421 - GTC005108A
55S421 - GTC005142A
55S421 - GTC005175A
55S421 - GTC005176A
55S421 - GTC005177A
55S421 - GTC005178A
55S421 - GTC005179A
55S421 - GTC005447A
55S421 - GTC005460A
55S421 - GTC005461A
55S421 - GTC005462A
55S421 - GTC005463A
55S421 - GTC005464A
55S421 - GTC005467A
55S421 - GTC005469A
55S421 - GTC005470A
55S421 - GTC005471A
55S421 - GTC005472A
55S421 - GTC005465A
55S421 - GTC005466A
55S421 - GTC005468A
55S421 - GTC005473A
55S421 - GTC005474A
55S421 - GTC005475A
55S421 - GTC005476A
55S421 - GTC005107A
55S421 - GTC005572A
55S421 - GTC005574A
55S421 - GTC005575A
55S421 - GTC005576A
55S421 - GTC005577A
55S421 - GTC005573A
55S421 - GTC005208A
55S421 - GTC005485A
55S421 - GTC005599A
55S421 - GTC005776A
55S421 - GTC005825A
55S421 - GTC004137A
55S421 - GTC004277A
55S421 - GTC004370A
55S421 - GTC004372A
55S421 - GTC004569A
55S421 - GTC004571A
55S421 - GTC004576A
55S421 - GTC004581A
55S421 - GTC004645A
55S421 - GTC004647A
55S421 - GTC004649A
55S421 - GTC004650A
55S421 - GTC004922A
55S421 - GTC004930A
55S421 - GTC005002A
55S421 - GTC004924A
55S421 - GTC004931A
55S421 - GTC005143A
55S421 - GTC005144A
55S421 - GTC005145A
55S421 - GTC005148A
55S421 - GTC005149A
55S421 - GTC005174A
55S421 - GTC005271A
55S421 - GTC005272A
55S421 - GTC005273A
55S421 - GTC005274A
55S421 - GTC005275A
55S421 - GTC005289A
55S421 - GTC005320A
55S421 - GTC005321A
55S421 - GTC005322A
55S421 - GTC005323A
55S421 - GTC005328A
55S421 - GTC005329A
55S421 - GTC005355A
55S421 - GTC005356A
55S421 - GTC005357A
55S421 - GTC005358A
55S421 - GTC005359A
55S421 - GTC005360A
55S421 - GTC003861A
55S421 - GTC003862A
55S421 - BCA1900040
55S421 - BCA1900041
55S421 - BCA1900042
55S421 - BCA1900043
55S421 - BCA1900047
55S421 - BCA1900048
55S421 - BCA1900049
55S421 - BCA1900050
55S421 - BCA1900051
55S421 - BCA1900055
55S421 - BCA1900056
55S421 - BCA1900058
55S421 - BCA1900059
55S421 - BCA1900060
55S421 - BCA1900061
55S421 - BCA1900062
55S421 - BCA1900071
55S421 - BCA1900072
55S421 - BCA1900078
55S421 - BCA1900079
55S421 - GTC005691A
55S421 - GTC006301A
55S421 - GTC006955A
55S421 - GTC006985A
55S421 - GTC007165A
55S421 - GTC007280A
55S421 - GTC007324A
55S421 - GTC007352A
55S421 - GTC007386A
55S421 - GTC007420A
55S421 - GTC007421A
55S421 - GTC007425A
55S421 - GTC007500A
55S421 - GTC007501A
55S421 - GTC007516A
55S421 - GTC007532A
55S421 - GTC007564A
55S421 - GTC007619A
55S421 - GTC007730A
55S421 - GTC007734A
55S421 - GTC007735A
55S421 - GTC007761A
55S421 - GTC007762A
55S421 - GTC007763A
55S421 - GTC007764A
55S421 - GTC007799A
55S421 - GTC007800A
55S421 - GTC007801A
55S421 - GTC007802A
55S421 - GTC007845A
55S421 - GTC007846A
55S421 - GTC007855A
55S421 - GTC007856A
55S421 - GTC007860A
55S421 - GTC007868A
55S421 - GTC007874A
55S421 - GTC007960A
55S421 - GTC007961A
55S421 - GTC007962A
55S421 - GTC007963A
55S421 - GTC008016A
55S421 - GTC008018A
55S421 - GTC008019A
55S421 - GTC008109A
55S421 - GTC008111A
55S421 - GTC008112A
55S421 - GTC008124A
55S421 - GTC008130A
55S421 - GTC008131A
55S421 - GTC008205A
55S421 - GTC008230A
55S421 - GTC008310A
55S421 - GTC008405A
55S421 - GTC008486A
55S421 - GTC008487A
55S421 - GTC008513A
55S421 - GTC008518A
55S421 - GTC008669A
55S421 - GTC009740W
55S421 - NTX000647A
55S421 - NTX000650A
55S421 - NTX000651A
55S421 - NTX000652A

About TCL

TCL is America's fastest growing TV brand and the third largest TV manufacturer in the world, and a Roku partner. As a globally trusted leader, TCL sold more than 20 million TVs worldwide last year which ranks us among the largest TV brands in the world. With the development of our increasingly innovative products, TCL is solidifying ourselves as a true world leader in reliable and affordable televisions. Their partnership with streaming leader Roku has received huge industry and consumer acclaim. WIRED called the TCL Roku TV "the first Smart TV worth using." In 2017, PC Mag and NY Times Wirecutter both selected TCL's TVs as the best of the year and they have been consistently one of the best reviewed TVs by consumers on Amazon.com and other leading online retailers. And this year, TCL is excited to build on its award-winning TCL Roku TV lineup.