Parts for MerCruiser Race Engine and Drive 500 EFI Cylinder Head & Rocker Cover
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| # | 27-842129A 1 | GASKET/SEAL SET, Engine Overhaul (1 required per assembly) |
  |
|
27-842129A 1 - Engine Overhaul Gasket Set [ More info ] Unavailable |
| #1 | 849702T 4 | COVER ASSEMBLY, Rocker Valve - Blue (2 required per assembly) |
 |
849702T 4 - Valve Cover [ More info ] Unavailable |
|
|
849702A 4 - Valve Cover [ More info ] Unavailable |
|
|
849702A10 - Cover (BLUE) * [ More info ] Unavailable |
|
  |
|
849702A11 - Cover Assembly [ More info ] Unavailable |
| #2 | 25-811553 | GROMMET, Rocker Cover (2 required per assembly) |
  |
|
25-811553 - Grommet [ More info ]
|
| #3 | 36-802566T | CAP, Oil Filler (2 required per assembly) |
|
36-802566T - CAP-OIL FILL [ More info ] Unavailable |
|
  |
|
845753T 1 - Oil Fill Cap [ More info ]
|
| #4 | 37-849950 | DECAL, Oil Fill Cap (2 required per assembly) |
|
|
37-849950 - Decal [ More info ]
|
| #5 | 37-849575T 2 | DECAL, Rocker Cover (2 required per assembly) |
|
|
37-849575T 2 - DECAL,NLA [ More info ] Unavailable |
| #6 | 97850 | ELBOW, 90 Degree, Breather (2 required per assembly) |
|
97850 - Elbow-Breather [ More info ] Unavailable |
|
  |
|
|
| #7 | 32-15894 31 | TUBING, (20.00 Inches Bulk), Breather - Cut 8.500 Inches (2 required per assembly) |
  |
32-15894 31 - Tube - 20 Inch [ More info ] Unavailable |
|
|
|
32-8M0086022 - Tube-20 Inch [ More info ]
|
| #9 | 22-849999 | FITTING, Tee (1 required per assembly) |
|
|
22-849999 - Fitting [ More info ]
|
| #10 | 56762 | TIE STRAP, (4.00 Inches) (AR required per assembly) |
  |
|
56762 - Tie Strap - Priced Individually [ More info ]
|
  |
|
0317893 - Tie Strap [ More info ]
|
| #11 | 11-35888 | NUT, (.250-28) Stainless Steel (14 required per assembly) |
  |
|
11-35888 - Nut (1/4-28) [ More info ]
|
  |
|
18-3722-9 - Lock Nut, 121731, 11-35888, Pack of 5 [ More info ]
|
| #12 | 12-846673 | WASHER, (.265 x .500 x .060) Stainless Steel (14 required per assembly) |
|
|
12-846673 - Washer, (.265 X .500 X .060) Stainless Steel [ More info ]
|
| #13 | 16-56766 | STUD, (.250-20/.250-28 x 1.380), Rocker Cover (14 required per assembly) |
  |
|
16-56766 - Stud - Priced Individually [ More info ]
|
| #14 | 54-42553 | J CLIP, Starboard - Top Rear (1 required per assembly) |
|
|
54-42553 - J Clip [ More info ]
|
| #15 | 27-811588 | GASKET, Rocker Cover (2 required per assembly) |
  |
27-811588 - Rocker Cover Gasket [ More info ] Unavailable |
|
  |
|
27-8M0092920 - ROCKER Cover Gasket [ More info ]
|
  |
|
18-25002 - Gasket 27-811588 [ More info ]
|
| #16 | 96028 1 | KEY, Valve Stem (32 required per assembly) |
  |
96028 1 - LOCK-VALVE Note: Priced Individually [ More info ] Unavailable |
|
  |
843140 - LOCK-VALVE Note: Priced Individually [ More info ] Unavailable |
|
  |
|
8M0042989 - Lock - Valve - Priced Individually [ More info ]
|
| #17 | 24-845617A 1 | SPRING/RETAINER KIT (16 required per assembly) |
|
24-845617A 1 - Spring/retainer Kit [ More info ] Unavailable |
|
  |
|
24-845617A 2 - Spring Kit [ More info ]
|
| #18 | 845592 | RETAINER (16 required per assembly) |
|
|
845592 - Retainer [ More info ]
|
  |
|
843465 - Retainer [ More info ]
|
| #19 | 26-842755 | SEAL, Valve (16 required per assembly) |
|
|
26-842755 - Seal - Valve [ More info ]
|
| #20 | 15-54531 | SHIM, Valve Spring (.015) (AR required per assembly) |
|
15-54531 - Shim-.015 Note: Priced Individually [ More info ] Unavailable |
|
|
|
15-845669 - Shim -.015 - Priced Individually [ More info ]
|
| #20 | 15-77624 | SHIM, Valve Spring (.030) (AR required per assembly) |
|
|
15-77624 - Shim -.030 [ More info ]
|
| #21 | 843080 | VALVE, Exhaust (8 required per assembly) |
  |
|
843080 - Exhaust Valve [ More info ]
|
| #22 | 821024T | VALVE, Intake, Standard - 2.250 Diameter (8 required per assembly) |
  |
|
821024T - Inlet Valve [ More info ]
|
| #23 | 848262 | PUSH ROD, (7.550), Valve Push (8 required per assembly) - Inlet |
  |
|
848262 - Push Rod [ More info ]
|
| #23 | 848264 | PUSH ROD, (8.550), Valve Push (8 required per assembly) - Exhaust |
  |
|
848264 - Push Rod [ More info ]
|
| #24 | 811586 | GUIDE, Push Rod (8 required per assembly) |
|
811586 - Guide [ More info ] Unavailable |
|
  |
845707 - Guide [ More info ] Unavailable |
|
  |
|
|
| #25 | 845618T | ROCKER ARM ASSEMBLY (16 required per assembly) |
  |
|
845618T - Rocker Arm Assembly [ More info ]
|
| #26 | 11-848610 | NUT, Rocker Arm Valve (16 required per assembly) |
  |
11-848610 - Nut, Rocker Arm Valve [ More info ] Unavailable |
|
|
|
118M0043537 - NUT-ROCKER [ More info ]
|
| #27 | 16-821836 | STUD, Rocker Arm Valve (16 required per assembly) |
  |
|
16-821836 - Stud [ More info ]
|
| #28 | 938-827495T11 | CYLINDER HEAD ASSEMBLY (2 required per assembly) |
|
938-827495T11 - HEAD ASY-CYLINDER [ More info ] Unavailable |
|
|
|
938-845704T 5 - Cylinder Head Assembly [ More info ] Unavailable |
| #29 | 27-811546 2 | GASKET, Cylinder Head (2 required per assembly) |
  |
27-811546 2 - GASKET [ More info ] Unavailable |
|
  |
27-811546A03 - Cylinder Head Gasket [ More info ] Unavailable |
|
  |
|
27-811546A04 - Cylinder Head Gasket Kit [ More info ]
|
| #30 | 10-49105 | BOLT, (4.125 Inch) (24 required per assembly) |
|
10-49105 - Screw [ More info ] Unavailable |
|
|
|
10-845705 - Screw [ More info ] Unavailable |
| #31 | 10-49106 1 | BOLT (2.00) (8 required per assembly) |
|
10-49106 1 - SCREW [ More info ] Unavailable |
|
|
|
10-845706M 2 - SCREW [ More info ] Unavailable |
