Owners manual
57-2576
TOOLS NEEDED:
1. Turn o the ignition and disconnect the negative
battery cable.
NOTE: Disconnecting the negative battery cable
erases pre-programmed electronic memories.
Write down all memory settings before
disconnecting the negative battery cable. Some
radios will require an anti-theft code to be
entered after the battery is reconnected. The
anti-theft code is typically supplied with your
owner’s manual. In the event your vehicles’
anti-theft code cannot be recovered, contact an
authorized dealership to obtain your vehicles
anti-theft code.
TO START:
PARTS LIST:
Description Qty. Part #
NOTE: This kit was not designed to t vehicles
with a body lift.
FORD
2008-10 F-Series Super Duty
V8-6.4L Turbo Diesel
2.5mm Allen Wrench
4mm Allen Wrench
10mm Socket
10mm Wrench
13mm Wrench
Extension
Flat blade Screwdriver
Ratchet
2. Disconnect the mass air sensor electrical
connection and unclip the wiring harness from the
air box as shown.
3. Disconnect the lter minder electrical connection.
4. Clip the band clamp which secures the crank
case breather hose to the intake tube. Then
disconnect the breather hose and tting from the
intake tube as shown.
NOTE: On some models, the vent tting
is attached to the intake tube and is not
removable. In this case remove the vent tube
from the tting.
5. Loosen the hose clamp which secures the intake
tube to the turbo inlet.
6. Unhook the warm air inlet tube from the re wall
as shown.
7. Lift up rmly on the complete air box assembly
to dislodge it from the mounting grommets and
then remove the complete air box and intake tube
assembly from the vehicle.
NOTE: K&N recommends that customers do
not discard factory air intake.
A HOSE CLAMP #44 2 08560
B HOSE; 3”ID X 2.5”L, HUMP SILIC. 1 087121
C GROMMET; 1-3/4”OD, 1”ID, 1/2”THK 1 082000
D INTAKE TUBE 1 087226
E WRENCH; TORX T20 T/R, L-KEY 1 69801
F FORD 6.0L EXTENSION HARNESS 1 21635-1
G BRACKET, “L”, STL, FB/PC 1 06712
H WASHER; 1/4”ID X 5/8”OD - SAE 6 08275
I NUT; 6MM NYLOCK, HEXHD., SS 6 07512
J WASHER; 1/4” LOCK, ZN 2 08198
K BOLT; 6MM-1.00 X 16MM, SS 2 07812
L GASKET; 3/16 PORON 1 09074
M ADAPTOR; MASS AIR SENSOR 1 21503
N WASHER; 1”D X 1/4 HOLE FENDER 2 08160
O BOLT; M6 X 1.00 X 16MM ,BUTTNHD., SS 2 07730
P SCREW; M4- .7 X 12, BUTTNHD. SS 2 07726
Q WASHER; 1.25D X. 28 HOL ZN062 FIT 4 08151
R WASHER; 1” X .300 X .100 RUBBER 2 21685
S STUD; M6-1.00 M/M, RUBBER 2 07027
T HEAT SHIELD 1 07686
U WASHER; 6MM FLAT, SS 2 08269
V SPACER: .625” OD X .250”ID X .250”L 2 06555
W BOLT; M6-1.00 X 25MM BUTTNHD., SS 2 07729
X EDGE TRIM (70”) 1 102454
Y HOSE CLAMP #80 1 08694
Z AIR FILTER 1 RU-5172
AA VENT; 90 DEG, 1”X1”, PLASTIC 1 08986
AB HOSE CLAMP #20 1 08436
S
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NOTE: FAILURE TO FOLLOW INSTALLATION INSTRUCTIONS AND NOT USING THE PROVIDED HARDWARE
MAY DAMAGE THE INTAKE TUBE, THROTTLE BODY AND ENGINE.
If you need any assistance please call 1-800-858-3333 to speak with a representative
in our Customer Service Center before returning the product.