Boats for Sale
Advice
Mercruiser Thermostat Gaskets
Engine / Model |
Beginning S/N |
Ending S/N |
Sierra Thermostat Gaskets |
| 90 | 2851424 | 3226957 | 18-2831 |
| 120/2.5L (2) | 2324347 | UP | 18-2831 |
| 140 (4 CYL)/3.0L | 2508261 | UP | 18-2831 |
| 3.0L/3.0LX | C856559 | UP | 18-2831 |
| 160 (2) | 2326069 | 2770031 | 18-2831 |
| 165 | 2770032 | 5813433 | 18-2831 |
| 165/3.7L (4 CYL) | 6916779 | UP | 18-2555 |
| 170 (4 CYL) | 6916779 | UP | 18-2555 |
| 175/4.3L, 4.3LX (262 CID) (3) | B527955 | UP | 18-2553 (10) |
| 175/4.3L, 4.3 LX (262 CID) (4) | B527955 | UP | 18-2552 (11) |
| 175/4.3L, 4.3 LX (262 CID) (4) | F001220 | UP | 18-2552 (11) |
| 180/3.7L-LX (4 CYL) | 6916779 | UP | 18-2555 |
| 185 (229 CID) | 6330183 | 6919655 | 18-2553 (10) |
| 185 (262 CID) | A331455 | B527954 | 18-2553 (10) |
| 190 (4 CYL) | 6916779 | UP | 18-2555 |
| 200 | 2453769 | 2712072 | 18-2831 |
| 200 GM | 6218462 | B525981 | 18-2553 (10) |
| 200/5.0L | 0B525982 | 0F600999 | 18-2917 |
| 200/5.0L GM (3) | B525982 | UP | 18-2553 (10) |
| 200/5.0L GM (4) | B525982 | UP | 18-2552 (11) |
| 205 (262 CID) | A331455 | B527954 | 18-2553 (10) |
| 205/4.3L, 4.3LX (262 CID) (3) | B527955 | D714369 | 18-2553 (10) |
| 205/4.3L, 4.3 LX (262 CID) (4) | B527955 | D714369 | 18-2552 (11) |
| 205/4.3L, 4.3 LX (262 CID) (4) | F001220 | UP | 18-2552 (11) |
| 215 FORD | 3040411 | UP | 18-2834 |
| 215 FORD MCM/MIE | 3040411 | 3385720 | 18-2834 |
| 225 FORD MCM/MIE | 3385721 | 4176999 | 18-2834 |
| 225 GM | 2278647 | 2399197 | 18-2552 (11) |
| 225 GM | 2399198 | 2694014 | 18-2553 (12) |
| 225/225S FORD | 3385721 | UP | 18-2834 |
| 228 GM MCM/MIE | 4765100 | 6218461 | 18-2844 (13) |
| 228 GM | 4765100 | 6218461 | 18-2844 |
| 228 GM | 6218462 | B525981 | 18-2553 (10) |
| 230 GM | 6218462 | B525981 | 18-2553 (10) |
| 230 MIE | 5907058 | 0B5225505 | 18-2553 (14) |
| 230 GM IB (5) | 5907058 | B522505 | 18-2553 (10) |
| 230 GM IB (6) | 5907058 | B522505 | 18-2553 (12) |
| 230/5.0L GM IB (5) | B522506 | B525981 | 18-2553 (10) |
| 230/5.0L GM IB (5) | B522506 | B525981 | 18-2552 (11) |
| 230/5.0L GM IB (6) | B522506 | B525981 | 18-2553 (12) |
| 230/5.0L-LX GM (3) | B525982 | F600999 | 18-2553 (10) |
| 230/5.0L-LX GM (4) | B525982 | UP | 18-2552 (11) |
| 230/5.0L GM IB (4) | B522506 | B525981 | 18-2552 (11) |
| 230/5.0L-LX GM | B525982 | F600999 | 18-2552 (11) |
| 230/5.0L MIE | 0B522506 | 0B788151 | 18-2553 (14) |
| 230/5.0LX GM | 0B525982 | 0F600999 | 18-2917 |
| 233 FORD | 4173000 | UP | 18-2834 |
| 233 FORD MIE | 4173000 | 4902304 | 18-2834 |
| 250 GM | 2314301 | 2639854 | 18-2553 (12) |
| 250 GM | 4768000 | 4908849 | 18-2844 |
| 250 GM | 4768000 | 4908849 | 18-2844 (13) |
| 250 GM MCM/MIE | 2314301 | 2639854 | 18-2553 (14) |
| 250 GM MCM/MIE | 4175500 | 5907057 | 18-2844 (13) |
| 255 FORD | 3258728 | UP | 18-2834 |
| 255 FORD MCM/MIE | 3258728 | 4178299 | 18-2834 |
| 255 GM | 4175500 | 4767999 | 18-2844 |
| 260 GM | 4908850 | 6218461 | 18-2844 |
| 260 GM | 6218462 | B525981 | 18-2553 (10) |
| 260 GM | 4908850 | 6218461 | 18-2844 (13) |
| 260 GM IB (5) | 5907058 | B522505 | 18-2553 (10) |
| 260 GM IB (6) | 5907058 | B522505 | 18-2553 (12) |
| 260 MIE | 5907058 | 0B522505 | 18-2553 (14) |
| 260/5.7L GM IB (5) | B522506 | B525981 | 18-2553 (10) |
| 260/5.7L GM IB (5) | B522506 | B525981 | 18-2552 (11) |
| 260/5.7L GM IB (5) | B522506 | B525981 | 18-2552 (11) |
| 260/5.7L GM IB (6) | B522506 | B525981 | 18-2553 (12) |
| 260/5.7L GM (3) | B525982 | F600999 | 18-2553 (10) |
| 260/5.7L GM (4) | B525982 | F600999 | 18-2552 (11) |
| 260/5.7L GM (4) | B525982 | F600999 | 18-2552 (11) |
| 260/5.7L GM | 0B525982 | 0F600999 | 18-2917 |
| 260/5.7L MIE | 0B522506 | 0F024999 | 18-2553 (14) |
| 262 MAG ALPHA | 0F803800 | 0K999999 | 18-2917 |
| 262 MAG BRAVO | 0F803800 | 0K999999 | 18-2917 |
| 350 Mag | B525982 | F600999 | 18-2552 (11) |
| 4.3L/LX GM | 0F000878 | 0F601126 | 18-2917 |
| 4.3L/LX/LXH ALPHA | 0F601127 | 0K999999 | 18-2917 |
| 4.3L/LX/LXH BRAVO | 0F601127 | 0K999999 | 18-2917 |
| 4.3L/LH/EFI ALPHA | 0L010044 | UP | 18-2917 |
| 4.3L/LH/EFI | 0L010044 | UP | 18-2917 |
| 5.0L/EFI ALPHA | 0L012052 | UP | 18-2917 |
| 5.0L/EFI BRAVO | 0L012052 | UP | 18-2917 |
| 5.7 GM ALPHA | 0F225560 | 0K999999 | 18-2917 |
| 5.7 GM BRAVO | 0F225560 | 0K999999 | 18-2917 |
| 5.7L/EFI GM ALPHA | 0L010037 | UP | 18-2917 |
| 5.7L/EFI GM BRAVO | 0L010037 | UP | 18-2917 |
| 5.7 GM (SKI) | A338553 | B514626 | 18-2553 (10) |
| 5.7L SKI | 0B514627 | UP | 18-2917 |
| 5.7 GM SKI/BRAVO (3) | B514627 | UP | 18-2553 (10) |
| 5.7 GM SKI/BRAVO (4) | B514627 | UP | 18-2552 (11) |
| 5.7 GM SKI/BRAVO (4) | B514627 | UP | 18-2552 (11) |
| 5.7L MIE | 0F025000 | 0F622099 | 18-2844 |
| 5.7L MIE | 0F622100 | 0K999999 | 18-2917 |
| 5.7L MIE | 0F622100 | 0K999999 | 18-2844 |
| 5.7L MIE | 0L002003 | UP | 18-2917 |
| 270 GM | 2851074 | 3077735 | 18-2553 (12) |
| 270 GM MCM/MIE | 2851074 | 3385720 | 18-2553 (14) |
| 280 GM | 4176250 | 4770199 | 18-2844 (13) |
| 280 GM TRS | 4176250 | 4770199 | 18-2844 |
| 300 MR/TRS GM | 6668677 | B430367 | 18-2553 (10) |
| 320 GM EFI | A543604 | UP | 18-2553 (12) |
| 320 GM | 0A543604 | 0C622418 | 18-2553 (14) |
| 325 GM MCM/MIE | 2278747 | 3780449 | 18-2553 (14) |
| 325 GM | 2278747 | 2313964 | 18-2553 |
| 325 GM | 2313965 | 3042730 | 18-2553 (12) |
| 325 GM | 3042731 | UP | 18-2844 |
| 330 GM | 4623115 | UP | 18-2844 |
| 330 GM MCM/MIE | 4623115 | 0B816540 | 18-2553 (14) |
| 330 GM W/BW (5) | 6083145 | UP | 18-2553 (10) |
| 330 GM W/BW (6) | 6083145 | UP | 18-2553 (12) |
| 340/7.4L GM IB (5) | 5889914 | UP | 18-2553 (10) |
| 340/7.4L GM IB (5) | 5889914 | UP | 18-2552 (11) |
| 340/7.4L GM IB (6) | 5889914 | UP | 18-2553 (12) |
| 340/7.4L MIE | 5889914 | 0D715493 | 18-2553 (14) |
| 350 MAG | 0B252882 | 0K999999 | 18-2917 |
| 350 MAG | 0B252882 | 0K999999 | 18-2917 |
| 350 MAG SKI | 0D505450 | 0K999999 | 18-2917 |
| 350 MAG EFI SKI | 0F215561 | 0K999999 | 18-2917 |
| 350 MAG MPI/MIE | 0L010019 | UP | 18-2917 |
| 350 MAG MPI SKI | 0F350583 | UP | 18-2917 |
| SCORPION SKI | 0F800000 | UP | 18-2917 |
| 7.4 BRAVO GM (3) | B771113 | D603117 | 18-2553 (10) |
| 7.4 BRAVO GM (4) | B771113 | UP | 18-2552 (11) |
| 7.4 BRAVO GM (4) | D603118 | UP | 18-2552 (11) |
| 7.4L W/HURTH IB (5) | C391564 | D715493 | 18-2552 (11) |
| 7.4L W/HURTH IB (6) | C391564 | UP | 18-2553 (12) |
| 7.4L W/HURTH IB | D715494 | UP | 18-2553 (12) |
| 7.4L/LX GM | 0F352000 | 0K999999 | 18-2917 |
| 7.4L MPI/TBI | 0F563052 | UP | 18-2917 |
| 7.4L MIE | 0C391564 | 0D715493 | 18-2553 (14) |
| 7.4L MIE | 0C391564 | 0F349999 | 18-2553 (14) |
| 7.4L MIE | 0D715494 | 0F820141 | 18-2553 (14) |
| 7.4L MIE | 0F820142 | 0K999999 | 18-2917 |
| 7.4L MIE | 0F820142 | 0K999999 | 18-2844 (13) |
| 350 GM | 3780450 | UP | 18-2844 |
| 350 GM (MAGNUM) | A635178 | B525981 | 18-2553 (10) |
| 350 GM (MAGNUM) (3) | B525982 | UP | 18-2553 (10) |
| 350 GM (MAGNUM) (4) | B525982 | UP | 18-2552 (11) |
| 350 GM (MAGNUM) (4) | B525982 | UP | 18-2552 (11) |
| 350 MIE | 3780450 | 4623109 | 18-2844 (13) |
| 370 GM | 4179554 | 6721527 | 18-2553 (14) |
| 370 TRS GM | 4179554 | 6721527 | 18-2553 (12) |
| 370 TRS GM | 6721528 | UP | 18-2553 (10) |
| 390 GM | 2781129 | 2825059 | 18-2553 (12) |
| 390 GM MCM/MIE | 2781129 | 3042731 | 18-2553 (14) |
| 400 GM | 4179554 | 0B457644 | 18-2553 (14) |
| 400 TRS GM | 4179554 | UP | 18-2553 (12) |
| 420 GM | A398941 | UP | 18-2553 (12) |
| 420 GM | 0A398941 | 0B622418 | 18-2553 (14) |
| 440 TRS GM | 4179554 | UP | 18-2553 (12) |
| 454 GM MAGNUM/ALPHA (3) | A631894 | B785148 | 18-2553 (10) |
| 454 GM MAGNUM/BRAVO (4) | A631894 | UP | 18-2552 (11) |
| 454 GM MAGNUM/BRAVO (4) | B721206 | UP | 18-2552 (11) |
| 454 MAG MCM/SKI | 0F305000 | 0K999999 | 18-2917 |
| 460 TRS GM | 4179554 | UP | 18-2553 (12) |
| 470 | 4208730 | 6218036 | 18-2843 |
| 470 | 6218037 | UP | 18-2555 |
| 485 | 5685394 | UP | 18-2555 |
| 488 | 6170297 | UP | 18-2555 |
| 500(Gen V) | F213293 | F615766 | 18-2844 |
| 502 EFI/MPI MCM | 0F8026000 | 0K999999 | 18-2917 |
| 502 MAG MPI | 0L017000 | UP | 18-2917 |
| 575 GM | 0A677429 | 0D763716 | 18-2553 (15) |
| 575 | A677429 | UP | 18-2553 (12) |
| 8.2L MIE | 0D857200 | 0F350274 | 18-2917 |
| 8.2L MIE | 0F350275 | 0F819619 | 18-2917 |
| 8.2L MIE | 0D857200 | 0F819619 | 18-2844 (13) |
| 8.2L MPI/MIE | 0F819620 | UP | 18-2917 |
| 888 FORD | 3108723 | UP | 18-2834 |
| 888 FORD MCM | 3108723 | 4887829 | 18-2834 |
| 898/198 GM | 4762210 | 6218461 | 18-2844 |
| 898/198 GM MCM/MIE | 4762210 | 6218461 | 18-2844 (13) |
| 898 GM | 6218462 | UP | 18-2553 (10) |
Engine / Model |
Beginning S/N |
Ending S/N |
Sierra Thermostat Gaskets |
Notes:
- (2) : Cast Iron
- (3) : Old Design
- (4) : New Design
- (5) : Std. Cooling
- (6) : Closed Cooling
- (10) : MUST ORDER 18-2553 AND 18-2554
- (11) : MUST ORDER 18-2552 AND 18-7173
- (12) : MUST ORDER 18-2553 AND 18-2844
- (13) : MUST ORDER 18-2844 AND 18-2917
- (14) : MUST ORDER 18-2553, 18-2844 AND 18-2917
- (15) : MUST ORDER 18-2553, 18-2844 AND 18-2914
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GLM 27105 replacement parts
Average Customer Review for Thermostat Housing Gasket - 18-0398-9 - Sierra
Average Customer Review for Water Pump Gasket - 18-2914-9 - Sierra
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