Installation Manual

63-1058
TOOLS NEEDED:
NOTE: FAILURE TO FOLLOW INSTALLATION INSTRUCTIONS AND NOT USING THE PROVIDED HARDWARE
MAY DAMAGE THE INTAKE TUBE, THROTTLE BODY AND ENGINE.
1. Turn off the ignition and disconnect the negative
battery cable.
TO START:
PARTS LIST:
Description Qty. Part #
NOTE: This kit was not designed
to fi t vehicles with a body lift.
TOYOTA
2003-04 Tundra
V8-4.7L
A Hose Clamp #52 4 08610
B Silicone Hose 3.25”ID x 2”l 1 08690
C Intake Tube (CN) 1 087065
D Cable Tie 6” White 1 21591
E Silicone Hose 1/2” ID x 12”l 1 087031
F Silicone Hose 4mm x 18”l 1 08153
G Silicone Hose 5/16”ID x 21”l 1 08409
H Vent Strt. 5/16” Barbed 1/4 NPT 1 08908
I vent Strt. 1/4” Barbed 1/4 NPT 1 08046
J Vent Strt. 3/16” Barbed 1/4 NPT 1 080021
K 1/4 NPT Plug 1 08032
L Bolt 6mm-1.00 x 20mm F/H/A 1 08376
M Saddle Bracket 1 078855
N Washer; Conical; Nylon; Black 1 08180
O Bracket “C” 1 070971
P Washer 1/4” x 5/8”OD 8 08275
Q Nut, 6mm-1.00 x 12mm 7 07553
R Washer 6mm wave 1 08174
S Bolt 6mm-1.00 x 12mm 1 07863
T Bracket Angled 1 070581
U Bracket 1 070979
V Stud; m6-1.00 m/m; Rubber Mntd. 4 07027
W Screw 2 07793
X Spacer 2 06530
Y Gasket 1 09066
Z Heat Shield 1 07433
AA Edge Trim 1 102492
AB Air Filter 1 RC-5100
2. Disconnect the mass-air connection
3. Loosen and remove the acorn nuts that secure
the throttle body cover, then remove the cover.
4. Loosen and remove the bolt that secures the AC
line to the stock intake tube.
6. Loosen the three bolts that secure the air box
assembly.
7. Disconnect the four rubber hoses from the engine
as shown by the arrows.
NOTE: Some ‘03 models may come equipped
with only three vacuum lines.
10. Apply the provided gasket to the mass-air sen-
sor with the sticky side down.
A
B
A
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
P
R
S
W
X
W
X
Y
A
Q
P
T
V
V
U
P
Q
P
Q
Z
Q
P
V
A
B
AA
A
2.5mm Allen Wrench
4mm Allen Wrench
10mm Socket
12mm Socket
10mm Wrench
5/8 Wrench
9/16 Wrench
Flat Blade Screwdriver
Long Extension
Phillips Screwdriver
Ratchet
Side Cutters
5. Loosen the hose clamp at the throttle body.
8. Remove the complete air induction system.
NOTE: K&N recommends that customers do not
discard factory air intake.
9. Loosen and remove the two screws that secure
the mass-air sensor, then remove the mass air
sensor.
11. Install the mass-air sensor into the K&N intake
tube, and secure with the provided spacers and
screws as shown.
12. Apply the edge trim to the K&N heat shield as
shown above, trim if needed.
13. Install the two rubber mounted studs to the heat
shield with the provided hardware, but do not tighten
completely.