Non Genuine Arbor Mandrel Spindle Assay - Right hand thread 

Please see 3rd image to confirm this is the correct part and the deck look like your deck. 

Fitted to side discharge range with 38" deck, please look under the seat to confirm your mower is a SD98. Also fits the SD108 range 
This mandrel assay is the same for both sides on the SD98 & SD108 side discharge range. If your mower is rear collect with the 32" / 84cm deck fitted, this would be the left side mandrel assay. 

Fits Stiga Models Below. 

• ESTATE 2084 H TRE 0801 (2016) 2T2120481/15
• ESTATE 2084 H TRE 0801 (2017) 2T2120481/15
• ESTATE 2084 H TRE 0801 (2018) 2T2120481/15
• ESTATE 2084 H TRE 0801 (2019) 2T2120481/ST1
• ESTATE 2084 H TRE 0801 (2020) 2T2120481/ST1
• ESTATE 2084 TRE 0801 (2016) 2T2000481/14
• ESTATE 2084 TRE 0801 (2017) 2T2000481/14
• ESTATE 2084 TRE 352 (2018) 2T2000481/ST1
• ESTATE 2084 TRE 352 (2019) 2T2000481/ST2
• ESTATE 2084 TRE 352 (2020) 2T2000481/ST2
• ESTATE 2398 HW TRE 586VA (2020) 2T2630481/ST1
• ESTATE 3084 21R807-0001-B1 (2016) 2T2010281/14
• ESTATE 3084 21R807-0001-B1 (2017) 2T2010281/14
• ESTATE 3084 21R807-0001-B1 (2018) 2T2010281/14
• ESTATE 3084 21R807-0001-B1 (2019) 2T2010281/14
• ESTATE 3084 H 21R707-0124-B1 (2019) 2T2100281/STX
• ESTATE 3084 H 21R807-0001-B1 (2016) 2T2110281/14
• ESTATE 3084 H 21R807-0001-B1 (2017) 2T2110281/14
• ESTATE 3084 H 21R807-0001-B1 (2018) 2T2110281/14
• ESTATE 3084 H 21R807-0001-B1 (2019) 2T2110281/ST1
• ESTATE 3084 H 21R807-0001-B1 (2020) 2T2110281/ST1
• ESTATE 3098 H 31R607-0001-B1 (2016) 2T2620281/16
• ESTATE 3098 H 31R607-0001-B1 (2017) 2T2620281/16
• ESTATE 3098 H 31R607-0001-B1 (2018) 2T2620281/16
• ESTATE 3098 H 31R607-0001-B1 (2019) 2T2620281/ST1
• ESTATE 3098 H 31R607-0001-B1 (2020) 2T2620281/ST1
• ESTATE 3384 H GXV 390 (2018) 2T2100381/14
• ESTATE 3384 H GXV 390 (2019) 2T2100381/14
• ESTATE 3384 H GXV 390RT1 DC GP SD (2016) 2T2100381/14
• ESTATE 3398 H FS481V-AS58 (2016) 2T2610681/16
• ESTATE 3398 H FS481V-AS58 (2017) 2T2610681/16
• ESTATE 3398 H FS481V-AS58 (2018) 2T2610681/16
• ESTATE 3398 HW 40N777-0025-B1 (2019) 2T2640281/ST1
• ESTATE 3398 HW 40N777-0025-B1 (2020) 2T2640281/ST1
• ESTATE 4084 H AP TRE 0801 (2019) 2T2120481/AP19
• ESTATE 4084 H AP TRE 0801 (2020) 2T2120481/AP19
• ESTATE 4098 H AP 31R877-0006-B1 (2019) 2T2620281/AP19
• ESTATE 4098 H AP 31R877-0006-B1 (2020) 2T2620281/AP19
• ESTATE 4398 HK AP FS481V-AS58 (2019) 2T2610681/AP19
• ESTATE 4398 HK AP FS481V-AS58 (2020) 2T2610681/AP19
• ESTATE GRAND TORNADO 31A707-0121-B1 (2010) 2T1110281/10
• ESTATE GRAND TORNADO 31A707-0121-B1 (2011) 2T1110281/10
• ESTATE GRAND TORNADO 31A707-0121-B1 (2011) 2T1110281/11
• ESTATE GRAND TORNADO 31A707-0121-B1 (2012) 2T1110281/11
• ESTATE GRAND TORNADO 31A707-0121-B1 (2013) 2T1110281/11
• ESTATE GRAND TORNADO 31N707-0132-B1 (2011) 2T1220281/10
• ESTATE GRAND TORNADO 31N707-0132-B1 (2011) 2T1220281/11
• ESTATE GRAND TORNADO 31N707-0132-B1 (2011) 2T1220281/SF1
• ESTATE GRAND TORNADO 31N707-0132-B1 (2012) 2T1220281/10
• ESTATE GRAND TORNADO 31N707-0132-B1 (2012) 2T1220281/SF1
• ESTATE GRAND TORNADO 31N707-0132-B1 (2013) 2T1220281/10
• ESTATE GRAND TORNADO GCV 530 PE-E9-SD (2011) 2T1210381/11
• ESTATE GRAND TORNADO H HST GCV 530U PE-E9-SD (2012) 2T1210381/11
• ESTATE GRAND TORNADO HST 31N707-0132-B1 (2010) 2T1220281/10
• ESTATE GRAND TORNADO HST 31N707-0132-B1 (2013) 2T1220281/11
• ESTATE GRAND TORNADO HST 31N707-2132-B1 (2012) 2T1220281/11
• ESTATE GRAND TORNADO PRO HST GCV 530 (2010) 2T1210381/10
• ESTATE GRAND TORNADO TRE 0801 (2010) 2T1110481/10
• ESTATE MASTER 21B807-0138-B1 (2012) 2T2010281/12
• ESTATE MASTER 21B807-0138-B1 (2012) 2T2010281/F12
• ESTATE MASTER HST 21B807-0138-B1 (2012) 2T2110281/12
• ESTATE MASTER HST 21B807-0138-B1 (2012) 2T2110281/F12
• ESTATE MASTER HST H GXV 390 RT1 DC GP SD (2012) 2T2100381/12
• ESTATE TORNADO 219707-0118 (2009) 2T3232781/09
• ESTATE TORNADO 21A907 (2010) 2T0520281/VI
• ESTATE TORNADO 21B807-0116-B1 (2010) 2T0520281/10
• ESTATE TORNADO 21B807-0116-B1 (2011) 2T0520281/10
• ESTATE TORNADO 21B807-0116-B1 (2011) 2T0520281/11
• ESTATE TORNADO 21B807-0116-B1 (2011) 2T0520281/SF1
• ESTATE TORNADO 21B807-0116-B1 (2012) 2T0520281/10
• ESTATE TORNADO 21B807-0116-B1 (2012) 2T0520281/SF1
• ESTATE TORNADO 21B807-0116-B1 (2013) 2T0520281/11
• ESTATE TORNADO 21B807-0138-B1 (2012) 2T0520281/11
• ESTATE TORNADO HST 1 31A707-0121-B1 (2011) 2T0630281/10
• ESTATE TORNADO HST 1 31A707-0121-B1 (2012) 2T0630281/10
• ESTATE TORNADO HST 31A707-0121-B1 (2011) 2T0630281/11
• ESTATE TORNADO HST 31A707-0121-B1 (2011) 2T0630281/SF1
• ESTATE TORNADO HST 31A707-0121-B1 (2012) 2T0630281/SF1
• ESTATE TORNADO HST 31A707-0121-B1 (2013) 2T0630281/11
• ESTATE TORNADO HST 31A707-2121-B1 (2012) 2T0630281/11
• ESTATE TORNADO TRE 0701 (2009) 2T3244781/09
• ESTATE TORNADO TRE 0701 (2010) 2T0520481/10
• SC 9812B 219807-2118-B1 (2011) 2T0520224/CAS
• SC 9812B 219807-2118-B1 (2012) 2T0520224/CAS
• SC 9812B 219807-2118-B1 (2013) 2T0520224/CAS
• SC 9812B 219807-2118-B1 (2014) 2T0520224/CAS
• SC 9812B 21R707-0017-B1 (2015) 2T0520224/CAS
• SC 9812B 21R707-0017-B1 (2016) 2T0520224/CAS
• SC8414B 21R807-0001-B1 (2016) 2T2010224/CAS
• SC8414B 21R807-0001-B1 (2017) 2T2010224/CAS
• SD 108 H 31N707-0132-B1 (2012) 2T1220284/12
• SD 108 H 31N707-0132-B1 (2013) 2T1220284/12
• SD 108 TRE 0801 (2012) 2T1110484/11
• SD 108 TRE 0801 (2013) 2T1110484/11
• SD 10816 (2011) 2T1110484/11
• SD 10816 H TRE 0801 (2011) 2T1220484/11
• SD 10816 H TRE 0801 (2012) 2T1220484/11
• SD 10816 H TRE 0801 (2013) 2T1220484/11
• SD 10816 H TRE 0801 (2014) 2T1220484/11
• SD 10816 TRE 0801 (2010) 2T1110424/10

382207204, 382207204/0, 382207204/1, 82207204/0, 382207206/0