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Parts for MerCruiser 140 GM 181 I / L4 1979-1982 Exhaust Manifold Assembly

#1 52390A 1 EXHAUST MANIFOLD ASSEMBLY (1 required per assembly)
MANIFOLD ASSY     O - Replaced by -96705A 1
 

This part has been superseded.

52390A 1 - MANIFOLD ASSY O [ More info ]
Unavailable
Replaced by -96705A 1
MANIFOLD ASSY 96705A 1
96705A 1

About Mercury Marine

OEM Part

96705A 1 - Manifold Assembly [ More info ]

Add to shopping cart $866.93
1 in stock. Explain stock levels

Manifold Replaces 18-1955
18-1955-1

About Sierra Marine

OEM Match

18-1955-1 - Manifold, 96705A1 for Rochester - See Detail Page for Important Info [ More info ]

Add to shopping cart $439.99 $398.00
2 in stock. Explain stock levels

MERC MANI (51#) MC-1-96705
MC-1-96705

About Barr Marine by EDM

OEM Match

MC-1-96705 - Mercruiser Manifold, Rochester Carb, See Detail Page [ More info ]

Add to shopping cart $395.00 $308.50
Available to order: Usually ships within 8 days. Explain stock levels

MERC MANI,140HP(49#) MC-1-52390
MC-1-52390

About Barr Marine by EDM

OEM Match

MC-1-52390 - Mercruiser Manifold, 140HP (49 #) [ More info ]

Add to shopping cart $375.00 $292.88
4 in stock. Explain stock levels

#2 16-46545 STUD, EXHAUST MANIFOLD TO EXHAUST ELBOW (1 3/4") (4 required per assembly)
GEAR,NLA 43-46545
 

About Mercury Marine

OEM Part

43-46545 - Gear [ More info ]

Add to shopping cart $40.00
4 in stock. Explain stock levels

#3 22-32802 PLUG, PIPE - EXHAUST MANIFOLD (1/8-27) (1 required per assembly)
PLUG Pipe (.125-2 O - Replaced by 22-32802  1
 

This part has been superseded.

22-32802 - PLUG Pipe (.125-2 O [ More info ]
Unavailable
Replaced by 22-32802 1
PLUG Pipe (.125-2 O - Replaced by 22-32802  2
 

This part has been superseded.

22-32802 1 - PLUG Pipe (.125-2 O [ More info ]
Unavailable
Replaced by 22-32802 2
PLUG Pipe (.125-27) Bra 22-32802  2
22-32802  2

About Mercury Marine

OEM Part

22-32802 2 - Plug - (brass) - Priced Individually [ More info ]

Add to shopping cart $5.60
4 in stock. Explain stock levels

Pipe Plug, 1/8-27 Npt Pipe
18-4263

About Sierra Marine

OEM Match

18-4263 - Pipe Plug, 1/8-27 NPT Pi [ More info ]

Add to shopping cart $4.49 $3.24
10+ in stock. Explain stock levels

#4 22-48118 PLUG, EXHAUST MANIFOLD (1 required per assembly)
PLUG,NLA 22-48118
 

About Mercury Marine

OEM Part

22-48118 - Plug, NLA [ More info ]

Add to shopping cart $8.50
10+ in stock. Explain stock levels

#5 22-32561 PLUG, PIPE - EXHAUST MANIFOLD (1/4-18) (1 required per assembly)
PLUG Pipe - Allen Head 22-32561
22-32561

About Mercury Marine

OEM Part

22-32561 - Plug - Priced Individually [ More info ]

Add to shopping cart $4.70
10+ in stock. Explain stock levels

#6 32-53370 TUBE, HEAD - EXHAUST MANIFOLD (1 required per assembly)
TUBING,NLA 32-53370
 

About Mercury Marine

OEM Part

32-53370 - Tubing, NLA [ More info ]

Add to shopping cart $55.00
5 in stock. Explain stock levels

#7 10-33231 SCREW, PLUG - EXHAUST MANIFOLD (1/2") (2 required per assembly)
SCREW (1/2 In.)   O - Replaced by 10-98257
 

This part has been superseded.

10-33231 - SCREW (1/2 In.) O [ More info ]
Unavailable
Replaced by 10-98257
SCREW (.312-18 x .500) 10-98257
10-98257

About Mercury Marine

OEM Part

10-98257 - Screw [ More info ]

Add to shopping cart $0.80
9 in stock. Explain stock levels

#8 10-52143 SCREW, EXHAUST MANIFOLD TO CYLINDER HEAD (4 3/4") (4 required per assembly)
SCREW,NLA 10-52143
10-52143

About Mercury Marine

OEM Part

10-52143 - Screw, NLA [ More info ]

Add to shopping cart $3.00
10+ in stock. Explain stock levels

#9 12-20553 WASHER, EXHAUST MANIFOLD SCREW (6 required per assembly)
WASHER (.406 x .734 x . 12-20553
 

About Mercury Marine

OEM Part

12-20553 - Washer - Priced Individually [ More info ]

Add to shopping cart $1.10
Available to order: Usually ships within 8 days. Explain stock levels

#10 16-52093 STUD, EXHAUST MANIFOLD TO CYLINDER HEAD (5 1/4") (2 required per assembly)
STUD,NLA 16-52093
16-52093

About Mercury Marine

OEM Part

16-52093 - Stud, NLA [ More info ]

Add to shopping cart $10.50
10+ in stock. Explain stock levels

#11 11-49838 NUT, EXHAUST MANIFOLD STUD (2 required per assembly)
NUT Note: must be ordered in multiples of 5 11-49838
11-49838

About Mercury Marine

OEM Part

11-49838 - Nut - Priced Individually [ More info ]

Add to shopping cart $0.80
10+ in stock. Explain stock levels

#12 60252 END CAP/CONNECTOR, EXHAUST MANIFOLD (FRONT) (1 required per assembly)
END CAP           O - Replaced by -60252A 2
 

This part has been superseded.

60252 - END CAP O [ More info ]
Unavailable
Replaced by -60252A 2
END CAP ASSY 60252A 2
60252A 2

About Mercury Marine

OEM Part

60252A 2 - End Cap Assembly [ More info ]

Add to shopping cart $90.09
1 in stock. Explain stock levels

End Plate
18-4009

About Sierra Marine

OEM Match

18-4009 - End Cap, 60252A 2 [ More info ]

Add to shopping cart $79.49 $64.08
5 in stock. Explain stock levels

END PLATE 1-60252
1-60252

About Barr Marine by EDM

OEM Match

1-60252 - End Plate [ More info ]

Add to shopping cart $42.00 $32.80
10+ in stock. Explain stock levels

#13 27-48043 GASKET, END CAP/CONNECTOR TO EXHAUST MANIFOLD (1 required per assembly)
GASKET            O - Replaced by 27-48043  1
27-48043

This part has been superseded.

27-48043 - GASKET O [ More info ]
Unavailable
Replaced by 27-48043 1
GASKET Note: must be ordered in multiples of 4 27-48043  1
27-48043  1

About Mercury Marine

OEM Part

27-48043 1 - Gasket - Priced Individually [ More info ]

Add to shopping cart $4.00
10+ in stock. Explain stock levels

#14 10-24234 SCREW, END CAP/CONNECTOR TO EXH. MANIFOLD (1") (4 required per assembly)
1035386 10-24234
 

About Mercury Marine

OEM Part

10-24234 - Screw - Priced Individually [ More info ]

Add to shopping cart $0.30
5 in stock. Explain stock levels

SCREW (.312-18 x 1.00) 10-35386
10-35386

About Mercury Marine

OEM Part

10-35386 - Screw - Priced Individually [ More info ]

Add to shopping cart $0.80
10+ in stock. Explain stock levels

#16 10-29240 SCREW, WIRING HARNESS CLAMP FASTENING (5/8") (2 required per assembly)
SCREW             O - Replaced by 10-32228
 

This part has been superseded.

10-29240 - SCREW O [ More info ]
Unavailable
Replaced by 10-32228
SCREW (#10-32 x .625) 10-32228
10-32228

About Mercury Marine

OEM Part

10-32228 - Screw - Priced Individually [ More info ]

Add to shopping cart $1.40
10+ in stock. Explain stock levels

#17 12-24676 WASHER, WIRING HARNESS CLAMP SCREW (3 required per assembly)
WASHER (.200 x .440 x . 12-24676
 

About Mercury Marine

OEM Part

12-24676 - Washer [ More info ]

Add to shopping cart $1.10
3 in stock. Explain stock levels

#18 73813A 1 END CAP, EXHAUST MANIFOLD (REAR) (1 required per assembly)
END CAP ASSEMBLY 73813A 1
73813A 1

About Mercury Marine

OEM Part

73813A 1 - End Cap Assembly [ More info ]

Add to shopping cart $35.66
2 in stock. Explain stock levels

Block Off Plate
18-1990

About Sierra Marine

OEM Match

18-1990 - Block Off Plate, 73813A1 [ More info ]

Add to shopping cart $31.99 $23.37
1 in stock. Explain stock levels

END PLATE 1-73813
1-73813

About Barr Marine by EDM

OEM Match

1-73813 - End Plate [ More info ]

Add to shopping cart $25.00 $19.52
2 in stock. Explain stock levels

1-73813 1-54870
1-54870

About Barr Marine by EDM

OEM Match

1-54870 - 1-73813 [ More info ]

Add to shopping cart $26.00 $20.31
Available to order: Usually ships within 8 days. Explain stock levels

#19 27-73814 GASKET, END CAP TO ECHAUST MANIFOLD (1 required per assembly)
27738141 27-73814
27-73814

About Mercury Marine

OEM Part

27-73814 - Gasket - Priced Individually [ More info ]

Add to shopping cart $1.94
10+ in stock. Explain stock levels

27807218 27-73814  1
27-73814  1

About Mercury Marine

OEM Part

27-73814 1 - Gasket - Priced Individually [ More info ]

Add to shopping cart $2.00
10+ in stock. Explain stock levels

GASKET 27-807218
27-807218

About Mercury Marine

OEM Part

27-807218 - Gasket [ More info ]

Add to shopping cart $3.10
Available to order: Usually ships within 8 days. Explain stock levels

Gasket
18-0928

About Sierra Marine

OEM Match

18-0928-9 - Gasket 27-73814 2-Pack [ More info ]

Add to shopping cart $5.98 $5.40
Available to order: Usually ships within 8 days. Explain stock levels

#20 10-25299 SCREW, END CAP TO EXHAUST MANIFOLD (3/4") (4 required per assembly)
SCREW (.312-18 x .75) 10-25299
10-25299

About Mercury Marine

OEM Part

10-25299 - Screw - Priced Individually [ More info ]

Add to shopping cart $0.30
7 in stock. Explain stock levels

#21 27-53354 GASKET, EXHAUST MANIFOLD TO CYLINDER HEAD (1 required per assembly)
GASKET 27-53354
27-53354

About Mercury Marine

OEM Part

27-53354 - Gasket [ More info ]

Add to shopping cart $12.90
Available to order: Usually ships within 8 days. Explain stock levels

Gasket
18-2912

About Sierra Marine

OEM Match

18-2912-1 - Gasket [ More info ]

Add to shopping cart $10.49 $7.80
5 in stock. Explain stock levels

#22 76351A 1 EXHAUST ELBOW ASSEMBLY (1 required per assembly)
ELBOW ASSEMBLY Ex O - Replaced by -76351A 2
 

This part has been superseded.

76351A 1 - ELBOW ASSEMBLY Ex O [ More info ]
Unavailable
Replaced by -76351A 2
ELBOW ASSY        O - Replaced by -76351A04
76351A 2

This part has been superseded.

76351A 2 - ELBOW ASSY O [ More info ]
Unavailable
Replaced by -76351A04
ELBOW-EXHAUST 76351A04
76351A04

About Mercury Marine

OEM Part

76351A04 - Exhaust Elbow [ More info ]

Add to shopping cart $291.58
In stock Explain stock levels

Elbow
18-1971

About Sierra Marine

OEM Match

18-1971 - Elbow 76351A2 [ More info ]

Add to shopping cart $183.99 $144.22
10+ in stock. Explain stock levels

MERC RISER (24#) MC-20-76351
MC-20-76351

About Barr Marine by EDM

OEM Match

MC-20-76351 - Mercury Riser (24 #) [ More info ]

Add to shopping cart $210.00 $164.01
4 in stock. Explain stock levels

MERC RISER (24#) MC-20-60426
MC-20-60426

About Barr Marine by EDM

OEM Match

MC-20-60426 - Mercury Riser (24 #) [ More info ]

Add to shopping cart $220.00 $171.82
2 in stock. Explain stock levels

#25 22-33198A 1 PLUG, EXHAUST ELBOW (4 required per assembly)
2241622 22-33198A 1
 

About Mercury Marine

OEM Part

22-33198A 1 - Plug [ More info ]

Add to shopping cart $2.50
10+ in stock. Explain stock levels

PLUG (.750-14) Pipe 22-41622
22-41622

About Mercury Marine

OEM Part

22-41622 - Pipe Plug [ More info ]

Add to shopping cart $7.60
10+ in stock. Explain stock levels

Plug, 3/4: Blacksteel
18-4258

About Sierra Marine

OEM Match

18-4258 - Plug, 3/4: Blacksteel [ More info ]

Add to shopping cart $4.99 $3.56
10+ in stock. Explain stock levels

#26 27-52076 GASKET, EXHAUST ELBOW TO EXHAUST MANIFOLD (1 required per assembly)
GASKET            O - Replaced by 27-99777
 

This part has been superseded.

27-52076 - GASKET O [ More info ]
Unavailable
Replaced by 27-99777
27997771 27-99777
27-99777

About Mercury Marine

OEM Part

27-99777 - Gasket - Priced Individually [ More info ]

Add to shopping cart $2.00
10+ in stock. Explain stock levels

GASKET            O - Replaced by 27-99777  2
27-99777  1

This part has been superseded.

27-99777 1 - GASKET O [ More info ]
Unavailable
Replaced by 27-99777 2
GASKET Note: must be ordered in multiples of 2 27-99777  2
27-99777  2

About Mercury Marine

OEM Part

27-99777 2 - Gasket - Priced Individually [ More info ]

Add to shopping cart $3.50
10+ in stock. Explain stock levels

GASKET   27 99777Q02
27 99777Q02

About Mercury Marine

OEM Part

27-99777Q02 - Gasket [ More info ]

Add to shopping cart $3.80
Available to order: Usually ships within 8 days. Explain stock levels

#27 13-37459 LOCKWASHER, EXHAUST ELBOW TO EXHAUST MANIFOLD STUD (4 required per assembly)
LOCKWASHER (3/8)  O - Replaced by 13-35048
 

This part has been superseded.

13-37459 - LOCKWASHER (3/8) O [ More info ]
Unavailable
Replaced by 13-35048
LOCKWASHER (.375) 13-35048
13-35048

About Mercury Marine

OEM Part

13-35048 - LockWasher - Priced Individually [ More info ]

Add to shopping cart $0.90
10+ in stock. Explain stock levels

#29 32-47642 HOSE ASSEMBLY, INLET - DIST. BLOCK TO DRIVE UNIT (33 1/2") (1 required per assembly)
HOSE (49.00 Inches Bulk 32-47642
32-47642

About Mercury Marine

OEM Part

32-47642 - Hose -49 Inch [ More info ]

Add to shopping cart $20.83
Available to order: Usually ships within 8 days. Explain stock levels

#30 54-32523 CLAMP, INLET HOSE TO WATER DIST. BLOCK TO DRIVE UNIT (2 required per assembly)
CLAMP             O - Replaced by 54-815504310
 

This part has been superseded.

54-32523 - CLAMP O [ More info ]
Unavailable
Replaced by 54-815504310
CLAMP Worm Gear 54-815504310
54-815504310

About Mercury Marine

OEM Part

54-815504310 - Clamp [ More info ]

Add to shopping cart $13.10
1 in stock. Explain stock levels

#31 47587A 2 BLOCK ASSEMBLY, WATER DISTRIBUTION - CYLINDER HEAD (1 required per assembly)
HOUSING ASSEMBLY  O - Replaced by -861493A 3
47587A 2

This part has been superseded.

47587A 2 - HOUSING ASSEMBLY O [ More info ]
Unavailable
Replaced by -861493A 3
HOUSING ASSEMBLY  O - Replaced by -861493A07
 

This part has been superseded.

861493A 3 - HOUSING ASSEMBLY O [ More info ]
Unavailable
Replaced by -861493A07
HOUSING-THERMOSTA 861493A07
861493A07

About Mercury Marine

OEM Part

861493A07 - Thermostat Housing [ More info ]

Add to shopping cart $130.67
In stock Explain stock levels

Thermostat Housing
18-1993

About Sierra Marine

OEM Match

18-1993 - Thermostat Housing - End Rise - Special Order - No Returns [ More info ]

Add to shopping cart $264.99 $206.36
In stock - special order item. Explain stock levels

Thermostat Housing Kit
18-1910

About Sierra Marine

OEM Match

18-1910 - Thermostat Housing Kit, 861493A3 [ More info ]

Add to shopping cart $114.99 $95.99
3 in stock. Explain stock levels

T-STAT HOUSING MC-29-60372
MC-29-60372

About Barr Marine by EDM

OEM Match

MC-29-60372 - Thermostat Housing [ More info ]

Add to shopping cart $36.00 $28.12
5 in stock. Explain stock levels

T-STAT HOUSING MC-29-47587
MC-29-47587

About Barr Marine by EDM

OEM Match

MC-29-47587 - Thermostat Housing [ More info ]

Add to shopping cart $40.00 $31.24
6 in stock. Explain stock levels

#32 22-32803 PLUG, PIPE - WATER DISTRIBUTION BLOCK (1 required per assembly)
PLUG Pipe (.375-18) Bra 22-32803
22-32803

About Mercury Marine

OEM Part

22-32803 - Plug [ More info ]

Add to shopping cart $4.80
3 in stock. Explain stock levels

Pipe Plug, 3/8-18 Npt Pipe
18-4264

About Sierra Marine

OEM Match

18-4264 - Pipe Plug, 3/8-18 NPT Pi [ More info ]

Add to shopping cart $3.99 $3.41
2 in stock. Explain stock levels

#34 27-33680 GASKET, WATER DISTRIBUTION BLOCK (1 required per assembly)
GASKET            O - Replaced by 27-814680
 

This part has been superseded.

27-33680 - GASKET O [ More info ]
Unavailable
Replaced by 27-814680
GASKET            * - Replaced by 27-814680  1
27-814680

This part has been superseded.

27-814680 - GASKET * [ More info ]
Unavailable
Replaced by 27-814680 1
GASKET 27-814680  1
27-814680  1

About Mercury Marine

OEM Part

27-814680 1 - Thermostat Housing Gasket [ More info ]

Add to shopping cart $2.40
Available to order: Usually ships within 8 days. Explain stock levels

#35 10-21077 SCREW, WATER DISTRIBUTION BLOCK TO CYLINDER HEAD (7/8") (2 required per assembly)
SCREW,NLA 10-21077
 

About Mercury Marine

OEM Part

10-21077 - Screw, NLA [ More info ]

Add to shopping cart $1.60
10+ in stock. Explain stock levels

#36 22-53509 ELBOW, WATER DISTRIBUTION BLOCK (1 required per assembly)
ELBOW,NLA 22-53509
 

About Mercury Marine

OEM Part

22-53509 - Elbow, NLA [ More info ]

Add to shopping cart $19.00
10+ in stock. Explain stock levels

#37 59078 THERMOSTAT (1 required per assembly)
THERMOSTAT 59078
59078

About Mercury Marine

OEM Part

59078 - Thermostat -140 [ More info ]

Add to shopping cart $20.58
Available to order: Usually ships within 8 days. Explain stock levels

Thermostat (140)
18-3550

About Sierra Marine

OEM Match

18-3550 - Thermostat 59078 [ More info ]

Add to shopping cart $19.99 $16.32
10+ in stock. Explain stock levels

THERMOSTAT Note: must be ordered in multiples of 2      59078Q 3
59078Q 3

About Mercury Marine

OEM Part

59078Q 3 - Thermostat - Priced Individually [ More info ]

Add to shopping cart $18.93
Available to order: Usually ships within 8 days. Explain stock levels

#38 27-47590 GASKET, THERMOSTAT COVER (1 required per assembly)
27475901 27-47590
27-47590

About Mercury Marine

OEM Part

27-47590 - Gasket - Priced Individually [ More info ]

Add to shopping cart $1.44
10+ in stock. Explain stock levels

GASKET Note: must be ordered in multiples of 5 27-47590  1
27-47590  1

About Mercury Marine

OEM Part

27-47590 1 - Gasket - Priced Individually [ More info ]

Add to shopping cart $3.10
10+ in stock. Explain stock levels

GASKET   27 47590Q01
27 47590Q01

About Mercury Marine

OEM Part

27-47590Q01 - Gasket [ More info ]

Add to shopping cart $2.50
Available to order: Usually ships within 8 days. Explain stock levels

#39 60372A 1 COVER ASSEMBLY, THERMOSTAT - WATER DIST. BLOCK (1 required per assembly)
60372A2 60372A 1
 

About Mercury Marine

OEM Part

60372A 1 - Cover Assembly [ More info ]

Add to shopping cart $25.00
2 in stock. Explain stock levels

COVER ASSEMBLY    O - Replaced by -47587A 2
60372A 2

This part has been superseded.

60372A 2 - COVER ASSEMBLY O [ More info ]
Unavailable
Replaced by -47587A 2
#40 10-60374 SCREW, THERMOSTAT COVER ATTACHING (1 3/4") (2 required per assembly)
SCREW (1.75 In.)  O - Replaced by 10-75206
 

This part has been superseded.

10-60374 - SCREW (1.75 In.) O [ More info ]
Unavailable
Replaced by 10-75206
10881892 10-75206
 

About Mercury Marine

OEM Part

10-75206 - Screw [ More info ]

Add to shopping cart $1.35
1 in stock. Explain stock levels

SCREW (.312-18 x 1.750) 10-881892
10-881892

About Mercury Marine

OEM Part

10-881892 - Screw [ More info ]

Add to shopping cart $2.60
Available to order: Usually ships within 8 days. Explain stock levels

#41 12-36533 WASHER, THERMOSTAT COVER SCREW (1 required per assembly)
WASHER (.328 x .562 x . 12-36533
 

About Mercury Marine

OEM Part

12-36533 - Washer [ More info ]

Add to shopping cart $1.10
Available to order: Usually ships within 8 days. Explain stock levels

#43 32-52481 HOSE, WATER DIST. BLOCK TO END CAP/CONNECTOR (1 required per assembly)
HOSE 32-52481
32-52481

About Mercury Marine

OEM Part

32-52481 - Hose [ More info ]

Add to shopping cart $35.90 $30.74
Available to order: Usually ships within 8 days. Explain stock levels

Molded Hose
18-70930

About Sierra Marine

OEM Match

18-70930 - Hose, 32-52481 [ More info ]

Add to shopping cart $26.99 $22.05
1 in stock. Explain stock levels

#44 54-32780 CLAMP, HOSE TO WATER DIST. BLOCK AND END CAP/CONNECTOR (2 required per assembly)
CLAMP             O - Replaced by 54-815504220
 

This part has been superseded.

54-32780 - CLAMP O [ More info ]
Unavailable
Replaced by 54-815504220
CLAMP Worm Gear 54-815504220
54-815504220

About Mercury Marine

OEM Part

54-815504220 - Clamp [ More info ]

Add to shopping cart $5.60
Available to order: Usually ships within 8 days. Explain stock levels

#45 32-47640 HOSE, WATER DISTRIBUTION BLOCK TO WATER PUMP (1 required per assembly)
HOSE              O - Replaced by 32-96879
 

This part has been superseded.

32-47640 - HOSE O [ More info ]
Unavailable
Replaced by 32-96879
HOSE              O - Replaced by 32-8M0071007
32-96879

This part has been superseded.

32-96879 - HOSE O [ More info ]
Unavailable
Replaced by 32-8M0071007
HOSE 32-8M0071007
32-8M0071007

About Mercury Marine

OEM Part

32-8M0071007 - Hose [ More info ]

Add to shopping cart $37.90 $32.46
Available to order: Usually ships within 8 days. Explain stock levels

Molded Hose
18-70931

About Sierra Marine

OEM Match

18-70931 - Hose, 32-96879, 311075 [ More info ]

Add to shopping cart $28.99 $23.32
1 in stock. Explain stock levels

#46 54-32781 CLAMP, HOSE TO WATER DIST. BLOCK AND WATER PUMP (2 required per assembly)
CLAMP             O - Replaced by 54-815504228
 

This part has been superseded.

54-32781 - CLAMP O [ More info ]
Unavailable
Replaced by 54-815504228
CLAMP Worm Gear 54-815504228
54-815504228

About Mercury Marine

OEM Part

54-815504228 - Clamp [ More info ]

Add to shopping cart $14.80
Available to order: Usually ships within 8 days. Explain stock levels