SHIELDS HOSE
Exhaust/Clamps
EXHAUST PROTECTOR VALVES
Specially Compounded Rubber Flapper Valves Designed To
PreventWater From EnteringThe Exhaust System In Following
Seas Or When Backing Down.
Made with weather resistant EPDM with U/V stabilizer.
18-#'s include stainless steel hose clamp.
N-#'s
are bulk flappers only
Pipe
Code #
Size
mm
O.E.M.
O.E. #
18-4456*
3"
76.2
Mercury
34765A1
18-4457*
4"
101.6
Mercury
12644A1
18-4458*➀
5" or 6"
127 or 152.4
--
--
N-184456
3"
76.2
--
--
N-184457
4"
101.6
--
--
N-184458➀
5" or 6"
127 or 152.4
--
--
* Display Packaged
➀ Must be cut at marks to fit 5" pipe
EXHAUST HOSE CLAMPS T-BOLT BAND CLAMPS
NOW
STAI316
NLE
SS
Diameter
Hose
Wt.
Code No.
Range
mm
I.D.
mm
"C"
18-720-1000➁
1.20 - 1.37
30.5 - 34.8
1"
25.4
9.4
·
Exhaust Hose Clamp
1 1/2"
18-720-1120➁
1.64 - 2.02
41.7 - 51.3
38.1
12.5
18-720-2000
2.31 - 2.69
58.7 - 68.3
2"
50.8
12.8
·
Intake Hose Clamp Any Below
2 1/2"
18-720-2120
2.68 - 3.34
68.1 - 84.8
63.5
15.6
Water Line Application
18-720-3000
3.10 - 3.76
78.7 - 95.5
3"
76.2
15.8
3 1/2"
·
Works With Corrugated Exhaust
18-720-3120
3.59 - 4.25
91.2 - 108
88.9
17.2
18-720-4000
4.18 - 4.84
106.2 - 122.9
4"
101.6
18.8
Hose
4 1/8"
18-720-4180
4.25 - 4.95
108.0 - 125.7
104.8
18.9
·
Full 360° Clamping Surface
4 1/2"
18-720-4120
4.75 - 5.41
120.7 - 137.4
114.3
20
4 1/2"
* 18-720-4120S
4.68 - 5.34
118.9 - 135.6
114.3
20
·
Corrosion Resistant 316 Stainless
18-720-5000
5.30 - 5.96
134.6 - 151.4
5"
127.0
22
Steel
* 18-720-5000S
5.18 - 5.84
131.6 - 148.3
5"
127.0
22
5 1/2"
18-720-5120
5.75 - 6.41
146.1 - 162.8
139.7
25
5 1/2"
* 18-720-5120S
5.68 - 6.34
144.3 - 161.0
139.7
25
Band: 316 stainless steel, .025 thick by
18-720-6000
6.38 - 7.04
162.1 - 178.8
6"
152.4
27
.75 wide
* 18-720-6000S
6.18 - 6.84
157.0 - 173.7
6"
152.4
27
Hardware: 316 stainless steel, 1/4" bolt,
18-720-8000
8.42 - 9.08
213.9 - 230.6
8"
203.2
29
nylon inset locknut.
* 18-720-8000S
8.18 - 8.84
207.8 - 224.5
8"
203.2
29
18-720-10000
10.45 - 11.11
265.4 - 282.2
10"
254.0
31
Extra long bolt for maximum adjustment.
* 18-720-10000S
10.18 - 10.84
258.6 - 275.3
10"
254.0
31
Torque to 75 inch pounds maximum.
18-720-12000
12.38 - 13.04
314.5 - 331.2
12"
304.8
33
* 18-720-12000S
12.18 - 12.84
309.4 - 326.1
12"
304.8
33
Designed to fit Shields series 200, 201,
18-720-14000
14.50 - 15.16
368.3 - 385.1
14"
355.6
41.1
210, 250, 252.
* 18-720-14000S
14.30 - 14.90
363.2 - 378.5
14"
355.6
41.1
➁ Clamps for 1" and 1 1/2" are 5/8" wide
* Designed to fit Series 202 silicone exhaust hose
HOSE CLAMPS
Sierra No.
Diameter Size
Std. No.
/16" to /8"
5
7
18-7307
006
/16" to 11/16"
9
18-7308
010
/16" to 11/4"
9
18-7309
012
/16" to 11/2"
11
18-7310
016
/4" to 13/4"
3
18-7311
020
11/16" to 2"
18-7312
024
1 9/16" to 21/2"
18-7313
032
2 9/16" to 31/2"
18-7314
048
21/2" to 41/2"
18-7315
064
All Components Are Manufactured From Marine
18-7316 ➂
3" to 5"
072
Grade 316 Stainless Steel. These Clamps Are
Designed To Fit Many Applications From 5/16" to
18-7317
5" to 7"
104
7" Diameter Hoses.
➂ PKG OF 2
61
