24/7 Customer service
USD
Add your vehicle
Address
Login
Cart
Item
$0.00
Engine
Body & Lamp Assembly
Brake & Wheel Parts
Drivetrain
Heating & Cooling
Exterior
Suspension & Steering
About us
Blog
Home
›
Makes
›
Buick
›
Engine
›
Exhaust & Emission Systems
›
Catalytic Converter
Free Return
Free Shipping
24/7 Service
Guaranteed Fit
Shopping for
Buick
ADD VEHICLE DETAILS
Buick Catalytic Converter
Sort by
Best Match
2
0
1
0
-
2
0
1
6
B
u
i
c
k
L
a
C
r
o
s
s
e
1
p
c
C
a
t
a
l
y
t
i
c
C
o
n
v
e
r
t
e
r
F
r
o
n
t
L
e
f
t
D
r
i
v
e
r
S
i
d
e
F
i
t
F
e
d
e
r
a
l
E
m
i
s
s
i
o
n
s
A
-
P
r
e
m
i
u
m
A
P
C
C
T
0
5
5
Part #
APCCT055
LaCrosse
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle:
Buick
$
321.99
Dispatch within 1 business day
VIEW DETAIL
2
0
1
0
-
2
0
1
6
B
u
i
c
k
L
a
C
r
o
s
s
e
2
p
c
C
a
t
a
l
y
t
i
c
C
o
n
v
e
r
t
e
r
F
r
o
n
t
D
r
i
v
e
r
&
P
a
s
s
e
n
g
e
r
F
i
t
F
e
d
e
r
a
l
E
m
i
s
s
i
o
n
s
A
-
P
r
e
m
i
u
m
A
P
C
C
T
1
5
1
Part #
APCCT151
EPA Compliant
LaCrosse
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle:
Buick
$
345.99
Dispatch within 1 business day
VIEW DETAIL
2
0
0
6
-
2
0
0
8
B
u
i
c
k
L
u
c
e
r
n
e
1
p
c
C
a
t
a
l
y
t
i
c
C
o
n
v
e
r
t
e
r
F
r
o
n
t
S
i
d
e
F
i
t
F
e
d
e
r
a
l
E
m
i
s
s
i
o
n
s
A
-
P
r
e
m
i
u
m
A
P
C
C
T
4
2
3
Part #
APCCT423
EPA Compliant, With Federal Emissions System
Lucerne
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle:
Buick
$
274.99
Dispatch within 1 business day
VIEW DETAIL
2
0
1
0
B
u
i
c
k
A
l
l
u
r
e
1
p
c
C
a
t
a
l
y
t
i
c
C
o
n
v
e
r
t
e
r
F
r
o
n
t
R
i
g
h
t
P
a
s
s
e
n
g
e
r
S
i
d
e
F
i
t
F
e
d
e
r
a
l
E
m
i
s
s
i
o
n
s
A
-
P
r
e
m
i
u
m
A
P
C
C
T
0
5
6
Part #
APCCT056
Allure
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle:
Buick
$
257.99
Dispatch within 1 business day
VIEW DETAIL
2
0
1
0
-
2
0
1
6
B
u
i
c
k
L
a
C
r
o
s
s
e
1
p
c
C
a
t
a
l
y
t
i
c
C
o
n
v
e
r
t
e
r
F
r
o
n
t
R
i
g
h
t
P
a
s
s
e
n
g
e
r
S
i
d
e
F
i
t
F
e
d
e
r
a
l
E
m
i
s
s
i
o
n
s
A
-
P
r
e
m
i
u
m
A
P
C
C
T
0
5
6
Part #
APCCT056
LaCrosse
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle:
Buick
$
257.99
Dispatch within 1 business day
VIEW DETAIL
2
0
1
0
-
2
0
1
1
B
u
i
c
k
L
a
C
r
o
s
s
e
2
p
c
C
a
t
a
l
y
t
i
c
C
o
n
v
e
r
t
e
r
F
r
o
n
t
D
r
i
v
e
r
&
P
a
s
s
e
n
g
e
r
F
i
t
F
e
d
e
r
a
l
E
m
i
s
s
i
o
n
s
A
-
P
r
e
m
i
u
m
A
P
C
C
T
0
6
9
Part #
APCCT069
V6 3.6L, FWD
LaCrosse
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle:
Buick
$
401.99
Dispatch within 1 business day
VIEW DETAIL
2
0
1
6
-
2
0
1
8
B
u
i
c
k
E
n
v
i
s
i
o
n
1
p
c
C
a
t
a
l
y
t
i
c
C
o
n
v
e
r
t
e
r
F
r
o
n
t
S
i
d
e
F
i
t
F
e
d
e
r
a
l
E
m
i
s
s
i
o
n
s
A
-
P
r
e
m
i
u
m
A
P
C
C
T
1
7
1
Part #
APCCT171
EPA Compliant
Envision
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle:
Buick
$
385.99
Dispatch within 1 business day
VIEW DETAIL
2
0
1
4
-
2
0
1
7
B
u
i
c
k
R
e
g
a
l
1
p
c
C
a
t
a
l
y
t
i
c
C
o
n
v
e
r
t
e
r
F
r
o
n
t
S
i
d
e
F
i
t
F
e
d
e
r
a
l
E
m
i
s
s
i
o
n
s
A
-
P
r
e
m
i
u
m
A
P
C
C
T
1
7
1
Part #
APCCT171
EPA Compliant
Regal
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle:
Buick
$
385.99
Dispatch within 1 business day
VIEW DETAIL
2
0
1
0
-
2
0
1
1
B
u
i
c
k
L
a
C
r
o
s
s
e
1
p
c
C
a
t
a
l
y
t
i
c
C
o
n
v
e
r
t
e
r
F
r
o
n
t
L
e
f
t
D
r
i
v
e
r
S
i
d
e
F
i
t
F
e
d
e
r
a
l
E
m
i
s
s
i
o
n
s
A
-
P
r
e
m
i
u
m
A
P
C
C
T
0
7
0
Part #
APCCT070
V6 3.6L, FWD
LaCrosse
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle:
Buick
$
206.99
Dispatch within 1 business day
VIEW DETAIL
2
0
1
0
-
2
0
1
1
B
u
i
c
k
L
a
C
r
o
s
s
e
1
p
c
C
a
t
a
l
y
t
i
c
C
o
n
v
e
r
t
e
r
F
r
o
n
t
R
i
g
h
t
P
a
s
s
e
n
g
e
r
S
i
d
e
F
i
t
F
e
d
e
r
a
l
E
m
i
s
s
i
o
n
s
A
-
P
r
e
m
i
u
m
A
P
C
C
T
0
8
2
Part #
APCCT082
V6 3.6L
LaCrosse
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle:
Buick
$
198.99
Dispatch within 1 business day
VIEW DETAIL
2
0
0
2
-
2
0
0
7
B
u
i
c
k
R
e
n
d
e
z
v
o
u
s
1
p
c
C
a
t
a
l
y
t
i
c
C
o
n
v
e
r
t
e
r
F
r
o
n
t
S
i
d
e
F
i
t
F
e
d
e
r
a
l
E
m
i
s
s
i
o
n
s
A
-
P
r
e
m
i
u
m
A
P
C
C
T
4
5
1
Part #
APCCT451
Rendezvous
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle:
Buick
$
423.99
Dispatch within 1 business day
VIEW DETAIL
1
9
9
7
-
2
0
0
4
B
u
i
c
k
R
e
g
a
l
1
p
c
C
a
t
a
l
y
t
i
c
C
o
n
v
e
r
t
e
r
E
x
h
a
u
s
t
F
i
t
F
e
d
e
r
a
l
E
m
i
s
s
i
o
n
s
A
-
P
r
e
m
i
u
m
A
P
C
C
T
3
2
5
Part #
APCCT325
Regal
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle:
Buick
$
222.99
Dispatch within 1 business day
VIEW DETAIL
2
0
0
4
-
2
0
0
5
B
u
i
c
k
R
a
i
n
i
e
r
1
p
c
C
a
t
a
l
y
t
i
c
C
o
n
v
e
r
t
e
r
F
r
o
n
t
S
i
d
e
F
i
t
F
e
d
e
r
a
l
E
m
i
s
s
i
o
n
s
A
-
P
r
e
m
i
u
m
A
P
C
C
T
1
3
2
Part #
APCCT132
EPA Compliant, With Federal Emissions System
Rainier
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle:
Buick
$
278.99
Dispatch within 1 business day
VIEW DETAIL
2
0
1
3
-
2
0
2
1
B
u
i
c
k
E
n
c
o
r
e
1
p
c
C
a
t
a
l
y
t
i
c
C
o
n
v
e
r
t
e
r
F
r
o
n
t
S
i
d
e
F
i
t
F
e
d
e
r
a
l
E
m
i
s
s
i
o
n
s
A
-
P
r
e
m
i
u
m
A
P
C
C
T
1
6
2
Part #
APCCT162
Encore
5.0
(
1
)
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle:
Buick
$
253.99
Dispatch within 1 business day
VIEW DETAIL
2
0
1
2
-
2
0
1
6
B
u
i
c
k
L
a
C
r
o
s
s
e
1
p
c
C
a
t
a
l
y
t
i
c
C
o
n
v
e
r
t
e
r
F
r
o
n
t
R
i
g
h
t
P
a
s
s
e
n
g
e
r
S
i
d
e
F
i
t
F
e
d
e
r
a
l
E
m
i
s
s
i
o
n
s
A
-
P
r
e
m
i
u
m
A
P
C
C
T
5
3
5
Part #
APCCT535
LaCrosse
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle:
Buick
$
240.99
Dispatch within 1 business day
VIEW DETAIL
2
0
0
5
-
2
0
0
9
B
u
i
c
k
A
l
l
u
r
e
1
p
c
C
a
t
a
l
y
t
i
c
C
o
n
v
e
r
t
e
r
R
e
a
r
S
i
d
e
F
i
t
F
e
d
e
r
a
l
E
m
i
s
s
i
o
n
s
A
-
P
r
e
m
i
u
m
A
P
C
C
T
4
3
9
Part #
APCCT439
EPA Compliant
Allure
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle:
Buick
$
231.99
Dispatch within 1 business day
VIEW DETAIL
2
0
0
5
-
2
0
0
9
B
u
i
c
k
L
a
C
r
o
s
s
e
1
p
c
C
a
t
a
l
y
t
i
c
C
o
n
v
e
r
t
e
r
R
e
a
r
S
i
d
e
F
i
t
F
e
d
e
r
a
l
E
m
i
s
s
i
o
n
s
A
-
P
r
e
m
i
u
m
A
P
C
C
T
4
3
9
Part #
APCCT439
EPA Compliant
LaCrosse
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle:
Buick
$
231.99
Dispatch within 1 business day
VIEW DETAIL
2
0
1
6
-
2
0
1
9
B
u
i
c
k
E
n
c
o
r
e
1
p
c
C
a
t
a
l
y
t
i
c
C
o
n
v
e
r
t
e
r
F
r
o
n
t
S
i
d
e
F
i
t
F
e
d
e
r
a
l
E
m
i
s
s
i
o
n
s
A
-
P
r
e
m
i
u
m
A
P
C
C
T
1
3
9
Part #
APCCT139
Encore
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle:
Buick
$
285.99
Dispatch within 1 business day
VIEW DETAIL
2
0
1
1
-
2
0
1
5
B
u
i
c
k
R
e
g
a
l
1
p
c
C
a
t
a
l
y
t
i
c
C
o
n
v
e
r
t
e
r
F
r
o
n
t
S
i
d
e
F
i
t
F
e
d
e
r
a
l
E
m
i
s
s
i
o
n
s
A
-
P
r
e
m
i
u
m
A
P
C
C
T
0
3
5
Part #
APCCT035
EPA Compliant, With Federal Emissions System
Regal
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle:
Buick
$
217.99
Dispatch within 1 business day
VIEW DETAIL
2
0
1
0
-
2
0
1
6
B
u
i
c
k
L
a
C
r
o
s
s
e
1
p
c
C
a
t
a
l
y
t
i
c
C
o
n
v
e
r
t
e
r
F
r
o
n
t
S
i
d
e
F
i
t
F
e
d
e
r
a
l
E
m
i
s
s
i
o
n
s
A
-
P
r
e
m
i
u
m
A
P
C
C
T
0
3
5
Part #
APCCT035
EPA Compliant, With Federal Emissions System
LaCrosse
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle:
Buick
$
217.99
Dispatch within 1 business day
VIEW DETAIL
2
0
1
2
-
2
0
1
5
B
u
i
c
k
V
e
r
a
n
o
1
p
c
C
a
t
a
l
y
t
i
c
C
o
n
v
e
r
t
e
r
F
r
o
n
t
S
i
d
e
F
i
t
F
e
d
e
r
a
l
E
m
i
s
s
i
o
n
s
A
-
P
r
e
m
i
u
m
A
P
C
C
T
0
3
5
Part #
APCCT035
EPA Compliant, With Federal Emissions System
Verano
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle:
Buick
$
217.99
Dispatch within 1 business day
VIEW DETAIL
1-20 of 21 Results
1
2
Page 1 of 0