Mercury-Mercruiser 23-31866 SPACER (.256 x .313 x .62
23-31866 SPACER (.256 x .313 x .62
This is a genuine Mercury Marine factory OEM part, not aftermarket
Please check our current stock level and order below or use the Contact Us form at the bottom of the page for any questions
This is a genuine Mercury Marine factory OEM part, not aftermarket
Please check our current stock level and order below or use the Contact Us form at the bottom of the page for any questions
Availability: 2 in stock
Manufacturer part number: 31866
GTIN: 745061135345
Normally Ships: In stock - Today (except for Holidays)
Manufacturer: Mercury Marine
MSRP: $5.50
$5.37
- 120/140 1967-1969 - 2062141 THRU 2791956
- 120/140 1970-1977 - 2791957 THRU 4893634
- 120/140 1978-1982 - 4893635 THRU 6225576
- 160 1967-1969 - 2065190 THRU 2763441
- 165 1970-1977 - 2763442 THRU 4890459
- 165 1978-1981 - 4890460 & Up
- 228 1978-1982 - 4898730 THRU 6225576
- 250 1977 - 4791300 THRU 4898729
- 260 1978-1982 - 4898730 THRU 6225576
- 470 1976-1977 - 4208730 THRU 4893934
- 470 1978-1982 - 4893835 THRU 6225576
- 485 1980-1982 - 4893835 & Up
- 898 1978-1982 - 4898730 THRU 6225576
- 898/228 1977 - 4782330 THRU 4898729
- I 1963 - 1534570 THRU 1684187
- IA/IB/IC (EZ-SHIFT) 1965-1966 - 1776349 THRU 2065189
- IA/IB/IC 1964 - 1684188 THRU 1777798
- 0 (Sterndrive) 1965-1966 - 1830753 THRU 2063740
- 110 GM 153 I/L4 1963-1966 - 1537370 THRU 2044033
- 120 GM 153 I/L4 1964-1972 - 1666601 THRU 3377340
- 3.0L GM 181 I/L4 - 0L097000 THRU 0W301999
- 3.0L GM 181 I/L4 - 0W302000 THRU 1A0019999
- 3.0L GM 181 I/L4 - 1A002000 THRU 1A020543
- 3.0L GM 181 I/L4 - 1A020544 & Up
- 3.0L GM 181 I/L4 1 1998 - 0L010042 THRU 0L096999
- 3.0L MPI EC - 1A072812 & Up
- 3.0LX GM 181 I/L4 1996-1997 - 0F604000 THRU 0K999999
- 60 RENAULT 68 I/L4 1965-1968 - 1887079 THRU 2049044
- 80 (Sterndrive) 1966-1969 - 2063741 THRU 2898029
- 80 RENAULT 80 I/L4 1966-1969 - 2049045 THRU 2851423
- 90 (Sterndrive) 1970-1972 - 2898020 THRU 3225967
- 90 RENAULT 96 I/L4 1970-1972 - 2851424 THRU 3226957
- ROVER - ALL
- 140 GM 194 I/L6 1963 - 1538930 THRU 1725960
- 150 GM 230 I/L6 1964-1966 - 1666495 THRU 2048046
- 530 D-TA (BRAVO & MIE) VM 183 I/L5 1989 - 0B993002 THRU 0D725151
- 636 D-TA (BRAVO & MIE) VM 219 I/L6 1989 - 0B993002 THRU 0D850127
- D183 TURBO AC (MCM & MIE) VM 183 I/L5 1990-1993 - 0B993002 THRU 0D725151
- D219 TURBO AC (MCM & MIE) VM 219 I/L6 1990-1993 - 0B993002 THRU 0D850127
- II (1.78:1) 1968-1969 - 2398798 THRU 2671321
- II 1962-1963 - 1474909 THRU 1602185
- II 1964-1967 - 1602186 THRU 2278488
- 1025SCi - 0M962886 & Up
- 1075 SCi - 0M905359 THRU 0M957024
- 1075 SCi - 0M957032 THRU 0M962885
- 1075 SCi - 0M962886 & Up
- 1200 SCi - 0M956534 THRU 0M962885
- 1200 SCi - 0M962886 & Up
- 280 TRS GM 350 V-8 1975-1976 - 4176250 THRU 4770199
- 300 TEMPEST GM 350 V-8 1985-1986 - 6668677 THRU 0B430367
- 320 (EFI) GM 350 V-8 1987 - 0A543604 THRU 0B157602
- 370 TRS GM 454 V-8 1978-1985 - 4179554 THRU 6721527
- 370 TRS GM 454 V-8 1985-1987 - 6721528 THRU 0B714586
- 400 TRS GM 454 V-8 1980-1986 - 4179554 THRU 0B457644
- 420 GM 454 V-8 1987-1989 - 0A398941 THRU 0B622418
- 425 (GEN. V) GM 454 V-8 1992-1993 - 0A398941 THRU 0D937011
- 425 GM 454 V-8 1990-1992 - 0A398941 THRU 0D937011
- 440 TRS GM 454 V-8 1983-1986 - 4179554 THRU 0B485220
- 450 (GEN. V) GM 454 V-8 1995-1996 - 0F347100 THRU 0F347277
- 460 TRS GM 482 V-8 1983-1986 - 4179554 THRU 6181046
- 465 (GEN. V) GM 502 V-8 1992-1994 - 0C849992 THRU 0F213244
- 465 GM 502 V-8 1990-1992 - 0C849992 THRU 0F213244
- 500 (GEN. +) GM 502 V-8 1999 - 0L414639 THRU 0L601036
- 500 (GEN. V) GM 502 V-8 1994-1995 - 0F213293 THRU 0F615766
- 500 (GEN. V) GM 502 V-8 1996 - 0F615767 THRU 0F745159
- 500 (GEN. VI)GM 502 V-8 1997-1998 - 0F745195 THRU 0F877722
- 500 (GEN. VI)GM 502 V-8 1997-1998 - 0K000001 THRU 0L000737
- 500 (GEN. VI)GM 502 V-8 1997-1998 - 0L000768 THRU 0L001772
- 500 Bulldog - 0K000248 THRU 0L001607
- 500 Bulldog 1999-2001 - 0L414620 THRU 0M050281
- 500 Bulldog GM 540 V-8 1990-1996 - 0C577254 THRU 0F745405
- 500 EFI - 0L001496 THRU 0L306499
- 500 EFI - 0L306500 THRU 0L307027
- 500 EFI - 0L307028 THRU 0L602036
- 500 EFI - 0M050001 THRU 0M050853
- 500 EFI - 0M052001 THRU 0M053628
- 500 EFI - 0M900064 THRU 0M901284
- 500 EFI - 0M905089 THRU 0M907127
- 525 EFI - 0M900146 THRU 0M953619
- 525 EFI - 0M953620 THRU 0M956326
- 525 EFI - 0M956327 THRU 0M962885
- 525 EFI - 0M962886 & Up
- 525 SC - Gen VI - 0F745260 THRU 0F877734
- 525 SC - Gen VI - 0K000012 THRU 0L415623
- 525 SC (GEN. V) GM 454 V-8 1992-1995 - 0D456000 THRU 0F348963
- 525 SC (GEN. V) GM 454 V-8 1996 - 0F615814 THRU 0F745215
- 525 SC GM 454 V-8 1991-1992 - 0D456000 THRU 0F348963
- 575 GM 540 V-8 1986-1992 - 0A677429 THRU 0D763716
- 575 SCi - 0L306696 THRU 0L307026
- 575 SCi - 0L601000 THRU 0L602090
- 575 SCi - 0M050000 THRU 0M053292
- 575 SCi - 0M900000 THRU 0M950526
- 600 SC Bobtail 1998 - 0L414734 THRU 0L601186
- 600 SC GEN IV & V GM 502 V-8 1991-1996 - 0D456489 THRU 0F877642
- 600 SCi - 0M952908 THRU 0M962885
- 600 SCi - 0M962886 & Up
- 662 SCi - 0M956580 THRU 0M962885
- 662 SCi - 0M962886 & Up
- 700 SCi - 0M962886 & Up
- 700 SCi - 0M954560 THRU 0M962885
- 800 SC (GEN. V) GM 572 V-8 1993-1998 - 0D763836 AND UP
- 850 SCi - 0M952900 THRU 0M956316
- 850 SCi - 0M957579 THRU 0M962885
- 850 SCi - 0M962886 & Up
- Scorpion 377 Sterndrive - 0L416146 THRU 0M907201
- 4.3L MPI ALPHA/BRAVO - 0M615000 THRU 0W309999
- 4.3L MPI ALPHA/BRAVO - 0W310000 THRU 0W649999
- 4.3L MPI ALPHA/BRAVO - 0W650000 THRU 0W658582
- 4.3L MPI ALPHA/BRAVO - 0W658583 THRU 0W658583
- 4.3L MPI ALPHA/BRAVO - 0W658584 THRU 1A030367
- 4.3L MPI ALPHA/BRAVO - 1A030368 THRU 1A030369
- 4.3L MPI ALPHA/BRAVO - 1A030370 THRU 1A063239
- 4.3L MPI ALPHA/BRAVO - 1A063240 & Up
- 4.3L MPI ALPHA/BRAVO - 0M300000 THRU 0M614999
- 4.3L MPI ALPHA/BRAVO EC - 1A637496 & Up
- 198 MIE (2 BBL.) GM 305 V-8 1977 - 4762210 THRU 6218461
- 215 (4 BBL.) FORD 302 V-8 1970-1972 - 2781153 THRU 3395720
- 215 MIE FORD 302 V-8 1970-1972 - 2781153 THRU 3563181
- 225 (2 BBL.) GM 327 V-8 1967-1969 - 2278647 THRU 2694014
- 225 (4 BBL.) FORD 302 V-8 1973-1974 - 3385721 THRU 4166999
- 225 MIE FORD 302 V-8 1973-1974 - 3385721 THRU 4176999
- 225 MIE GM 327 V-8 1968 - 2278647 THRU 2694014
- 225-S (4 BBL.)FORD 302 V-8 1973-1974 - 3385721 THRU 4166999
- 228 (4 BBL.) GM 305 V-8 1977-1978 - 4765100 THRU 5170008
- 228 (4 BBL.) GM 305 V-8 1979-1982 - 5170009 THRU 6218461
- 228 MIE (4 BBL.) GM 305 V-8 1977-1978 - 4765100 THRU 5170008
- 228 MIE (4 BBL.) GM 305 V-8 1979-1980 - 5170009 THRU 5907057
- 233 FORD 351 V-8 1975-1977 - 4173000 THRU 4902304
- 233 MIE FORD 351 V-8 1975-1976 - 4173000 THRU 4775784
- 250 (2 BBL.) GM 327 V-8 1968-1969 - 2314301 THRU 2639854
- 250 MIE GM 327 V-8 1968-1969 - 2314301 THRU 2639854
- 255 FORD 351 V-8 1973-1974 - 3258728 THRU 4175499
- 255 MIE FORD 351 V-8 1973-1974 - 3258728 THRU 4178299
- 255 MIE GM 350 V-8 1979-1980 - 5195909 THRU 5907057
- 270 (2 BBL.) GM 350 V-8 1969-1972 - 2851074 THRU 3077735
- 270 MIE GM 350 V-8 1969-1972 - 2851074 THRU 3077735
- 325 GM 427 V-8 1969-1972 - 2278747 THRU 3780449
- 325 MIE GM 427 V-8 1968-1974 - 2278747 THRU 3780449
- 330 GM 454 V-8 1977-1981 - 4623115 THRU 6083144
- 330 MIE GM 454 V-8 1977-1980 - 4623115 THRU 5889913
- 350 MAG MPI HORIZON MIE - 0M310000 THRU 0M316999
- 350 MAG MPI HORIZON MIE - 0M317000 THRU 0M398371
- 350 MAG MPI HORIZON MIE - 0M398372 THRU 0W389999
- 350 MAG MPI HORIZON MIE - 0W390000 THRU 0W689999
- 350 MAG MPI HORIZON MIE - 0W690000 THRU 1A089999
- 350 MAG MPI MIE - 0M310000 THRU 0M316999
- 350 MAG MPI MIE - 0M317000 THRU 0M398371
- 350 MAG MPI MIE - 0M398372 THRU 0W389999
- 350 MAG MPI MIE - 0W390000 THRU 0W689999
- 350 MAG MPI MIE - 0W690000 THRU 1A089999
- 350 MIE GM 454 V-8 1974-1976 - 3780450 THRU 4623109
- 390 GM 482 V-8 1969-1970 - 2781129 THRU 2825059
- 390 MIE GM 482 V-8 1969-1970 - 2781129 THRU 2825059
- 5.7L MPI HORIZON MIE - 1A090000 THRU 1A092168
- 5.7L MPI HORIZON MIE - 1A092169 & Up
- 5.7L MPI MIE - 1A090000 THRU 1A092168
- 5.7L MPI MIE - 1A092169 & Up
- 5.7L MPI MIE EC - 1A090000 THRU 1A092168
- 5.7L MPI MIE EC - 1A092169 & Up
- 6.2L MPI HORIZON MIE - 1A090000 THRU 1A092168
- 6.2L MPI HORIZON MIE - 1A092169 & Up
- 6.2L MPI MIE - 1A090000 THRU 1A092168
- 6.2L MPI MIE - 1A092169 & Up
- 6.2L MPI MIE EC - 1A091600 THRU 1A092168
- 6.2L MPI MIE EC - 1A092169 & Up
- 8.1L INBOARD (Base) - 0M026000 THRU 0M319124
- 8.1L INBOARD (Base) - 0M319125 THRU 0W089999
- 8.1L INBOARD (Base) - 0W090000 THRU 0W389999
- 8.1L INBOARD (Base) - 0W390000 THRU 0W689999
- 8.1L INBOARD (Base) - 0W690000 THRU 0W698172
- 8.1L INBOARD (Base) - 0W691821 THRU 1A380318
- 8.1L INBOARD (Base) EC - 0W697154 THRU 1A380251
- 8.1L INBOARD (H.O.) - 0M026000 THRU 0M319190
- 8.1L INBOARD (H.O.) - 0M319191 THRU 0W089999
- 8.1L INBOARD (H.O.) - 0W090000 THRU 0W389999
- 8.1L INBOARD (H.O.) - 0W390000 THRU 0W689999
- 8.1L INBOARD (H.O.) - 0W690000 THRU 0W698172
- 8.1L INBOARD (H.O.) - 0W691821 THRU 1A380318
- 8.1L INBOARD (H.O.) EC - 0W697154 THRU 1A380251
- 898 (2 BBL.) GM 305 V-8 1977-1982 - 4762210 THRU 6218461
- MX 6.2L MPI HORIZON MIE - 0M310000 THRU 0M316999
- MX 6.2L MPI HORIZON MIE - 0M317000 THRU 0M398394
- MX 6.2L MPI HORIZON MIE - 0M398395 THRU 0W389999
- MX 6.2L MPI HORIZON MIE - 0W390000 THRU 0W689999
- MX 6.2L MPI HORIZON MIE - 0W690000 THRU 1A089999
- MX 6.2L MPI MIE - 0M310000 THRU 0M316999
- MX 6.2L MPI MIE - 0M317000 THRU 0M398394
- MX 6.2L MPI MIE - 0M398395 THRU 0W389999
- MX 6.2L MPI MIE - 0W390000 THRU 0W689999
- MX 6.2L MPI MIE - 0W690000 THRU 1A089999
- 190 GM 283 V-8 1963-1964 - 1564539 THRU 1730903
- 225 (2 BBL.) GM 327 V-8 1963-1966 - 1539620 THRU 2278646
- 250 (2 BBL.) GM 350 V-8 1977 - 4768000 THRU 4908849
- 260 (4 BBL.) GM 350 V-8 1978-1982 - 4908850 THRU 6218461
- 330 GM 454 V-8 1982-1987 - 6083145 THRU 0B816540
- 350 MAG MPI ALPHA/BRAVO - 1A623185 & Up
- 350 MAG MPI ALPHA/BRAVO - 1A300000 THRU 1A611927
- 350 MAG MPI ALPHA/BRAVO - 1A611928 THRU 1A623184
- 350 MAG MPI ALPHA/BRAVO - 0M300000 THRU 0M599999
- 350 MAG MPI ALPHA/BRAVO - 0M600000 THRU 0W059999
- 350 MAG MPI ALPHA/BRAVO - 0W310000 THRU 0W649999
- 350 MAG MPI ALPHA/BRAVO - 0W650000 THRU 1A299999
- 350 MAG MPI ALPHA/BRAVO - 0W060000 THRU 0W309999
- 350 MAG MPI ALPHA/BRAVO EC - 1A623185 & Up
- 350 MAG MPI ALPHA/BRAVO EC - 1A300000 THRU 1A611927 and MORE
- 350 MAG MPI ALPHA/BRAVO EC - 1A611928 THRU 1A623184
- 350 MAG MPI HORIZON ALPHA/BRAVO - 0M300000 THRU 0M599999
- 350 MAG MPI HORIZON ALPHA/BRAVO - 0M600000 THRU 0W059999
- 350 MAG MPI HORIZON ALPHA/BRAVO - 0W310000 THRU 0W649999
- 350 MAG MPI HORIZON ALPHA/BRAVO - 0W650000 THRU 1A299999
- 350 MAG MPI HORIZON ALPHA/BRAVO - 0W060000 THRU 0W309999
- 350 MAG MPI HORIZON ALPHA/BRAVO EC - 1A623185 & Up
- 350 MAG MPI HORIZON ALPHA/BRAVO EC - 1A300000 THRU 1A611927
- 350 MAG MPI HORIZON ALPHA/BRAVO EC - 1A611928 THRU 1A623184
- 377 MAG MPI BRAVO - 1A623185 & Up
- 377 MAG MPI BRAVO - 1A300000 THRU 1A611927
- 377 MAG MPI BRAVO - 1A611928 THRU 1A623184
- 377 MAG MPI BRAVO EC - 1A623185 & Up
- 377 MAG MPI BRAVO EC - 1A343300 THRU 1A611927
- 377 MAG MPI BRAVO EC - 1A611928 THRU 1A623184
- 454 MAG. ALPHA GM 454 V-8 1986-1988 - 0A631894 THRU 0B785148
- 496 MAG Base Model - 0M025000 THRU 0M687082
- 496 MAG (Base Model) - 0M687083 THRU 0W059999
- 496 MAG (Base Model) - 0W060000 THRU 0W309999
- 496 MAG (Base Model) - 0W310000 THRU 0W649999
- 496 MAG (Base Model) - 0W650000 THRU 1A066165
- 496 MAG (Base Model) - 1A066166 THRU 1A350678
- 496 MAG (Base Model) - 1A350679 & Up
- 496 MAG (H.O. Model) - 0M025000 THRU 0M687143
- 496 MAG (H.O. Model) - 0M687144 THRU 0W059999
- 496 MAG (H.O. Model) - 0W060000 THRU 0W309999
- 496 MAG (H.O. Model) - 0W310000 THRU 0W649999
- 496 MAG (H.O. Model) - 0W650000 THRU 1A066165
- 496 MAG (H.O. Model) - 1A066166 THRU 1A350678
- 496 MAG (H.O. Model) - 1A350679 & Up
- 496 MAG EC (Base Model) - 1A066166 THRU 1A350440
- 496 MAG EC (H.O. Model) - 1A066166 THRU 1A350440
- 5.0L MPI ALPHA/BRAVO - 1A623185 & Up
- 5.0L MPI ALPHA/BRAVO - 1A300000 THRU 1A611927
- 5.0L MPI ALPHA/BRAVO - 1A611928 THRU 1A623184
- 5.0L MPI ALPHA/BRAVO - 0M300000 THRU 0M599999
- 5.0L MPI ALPHA/BRAVO - 0M600000 THRU 0W059999
- 5.0L MPI ALPHA/BRAVO - 0W310000 THRU 0W649999
- 5.0L MPI ALPHA/BRAVO - 0W650000 THRU 1A299999
- 5.0L MPI ALPHA/BRAVO - 0W060000 THRU 0W309999
- 5.0L MPI ALPHA/BRAVO EC - 1A623185 & Up
- 5.0L MPI ALPHA/BRAVO EC - 1A300000 THRU 1A611927
- 5.0L MPI ALPHA/BRAVO EC - 1A611928 THRU 1A623184
- 8.2L Mag (Base Model) - 1A351597 & Up
- 8.2L Mag (H.O. Model) - 1A351597 & Up
- 8.2L Mag EC (Base Model) - 1A350340 THRU 2A041664
- 8.2L Mag EC (Base Model) - 2A051742 THRU 2A051742
- 8.2L Mag EC (Base Model) - 2A041665 THRU 2A051741
- 8.2L Mag EC (Base Model) - 2A051743 & Up
- 8.2L Mag EC (H.O. Model) - 1A350340 THRU 2A041664
- 8.2L Mag EC (H.O. Model) - 2A051741 THRU 2A051741
- 8.2L Mag EC (H.O. Model) - 2A041665 THRU 2A051740
- 8.2L Mag EC (H.O. Model) - 2A051742 & Up
- 888 (2 BBL.) FORD 302 V-8 1971-1977 - 3108723 AND UP
- MX 6.2L MPI BRAVO - 0M300000 THRU 0M599999
- MX 6.2L MPI BRAVO - 0M600000 THRU 0W059999
- MX 6.2L MPI BRAVO - 0W310000 THRU 0W649999
- MX 6.2L MPI BRAVO - 0W650000 THRU 1A299999
- MX 6.2L MPI BRAVO - 0W060000 THRU 0W309999
- MX 6.2L MPI HORIZON BRAVO - 0M300000 THRU 0M599999
- MX 6.2L MPI HORIZON BRAVO - 0M600000 THRU 0W059999
- MX 6.2L MPI HORIZON BRAVO - 0W310000 THRU 0W649999
- MX 6.2L MPI HORIZON BRAVO - 0W650000 THRU 1A299999
- MX 6.2L MPI HORIZON BRAVO - 0W060000 THRU 0W309999
- 3.0L TKS Plus - 1G404114 & Up
- 350 MPI ALPHA - 1G400000 & Up
- 357 HRZ 630A BOBTAIL RM - 1G300000 & Up
- 357 HRZ 630V BOBTAIL RM - 1G300000 & Up
- 357 STROKER SCORPION - 1G481121 & Up
- 383 MAG STROKER - 1G400000 & Up
- 383 MAG STROKER BRAVO - 1G400000 & Up
- 383 MAG STROKER INBOARD - 1G300000 & Up
- 383 STROKER SCORPION BRAVO - All & Up
- 385 Performance Tuned - 1G400000 & Up
- 496 H.O. BRAVO - 1G400000 & Up
- 540 Stroker 4V - 1G400000 & Up
- 8.1L INBOARD (Inline) - 1G300000 & Up
- 8.1L INBOARD (V-Drive) - 1G300000 & Up
- Exhaust / Cooling Systems and Extension Kits - MERCRUISER VOL. 1 (1986 THRU 1993)
- Fuel/Oil Tanks, Lines, Filter Kits and Corrosion - MERCRUISER VOL. 1 (1986 THRU 1993)
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