1972 Chevelle Protect-O-Plate Warranty Card (Baltimore, MD)

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Decode your Protect-O-Plate Warranty card

I have more examples but only list a few examples on this page. If you request help with yours, contact me and I'll be glad to answer any questions you have. Include a photo of the Protect-O-Plate as plants often deviate during the model year.

You'll notice some plants used a three letter engine suffix code while some used a two letter code; Arlington even used both. All examples, so far, also used a three letter suffix code on the rear end axle ratio code.

You'll also notice that some plants code the rear end with the assembly plant first followed by the rear axle code and some will code the rear axle code first followed by the assembly plant.

VIN identification changed in 1972 in a number of ways.
>> The series was changed from a two-digit number to a single letter.
>> The engine size is now identified in the VIN.

[ Arlington ] | [ Baltimore ] | [ Kansas City ] | [ Van Nuys ] | [ Oshawa ]

CHEVELLESTUFF  All Rights Reserved

1st line:
1D37J2B504388 ~ VIN
1D37 ~ Chevrolet (1), Malibu (D), Sport Coupe (37)
J ~ 350cid V8 4-bbl (L48)
2 ~ Model Year of Production: 1972
B ~ Final Assembly Plant: Baltimore, MD.
504388 ~ Sequence Assembly Number, 4,388th Chevelle at Baltimore, MD.

2nd line:
K0808CKD ~ Engine Code: McKinnon Industries (K), August 8 (0808), 350/175 w/TH350 (CKD)
B2M19 ~ Transmission Code: Cleveland TH350 (B), 1972 (2), August 19 (M19)

3rd line:
GHC221E ~ Rear Axle Number: 2.73:1 ratio (GH), Buffalo (C), August 9, 1971 (day #221), Eaton Positraction (E)
R ~ Carburetor Source: Rochester

Options

11331 
GHIJKLM

G-1 ~ Power steering [RPO N40]
H-1 ~ Power brakes [RPO J50]
I-3 ~ Radio [RPO U63 or U69 or U79]
J-3 ~ Disc brakes [RPO J52]
K-1 ~ Four-Season Air Conditioning [RPO C60]

J ~ Vehicle Build Month: September

Owner/dealer info: Original owner's name/address removed for obvious privacy reasons.


Courtesy Bill Hall
Courtesy Bill Hall

1st line:
1H57W2B520587 ~ VIN
1H57 ~ Chevrolet (1), Monte Carlo (H), Monte Carlo Sport Coupe (57)
W ~ 454cid V8 4-bbl (LS5)
2 ~ Model Year of Production: 1972
B ~ Final Assembly Plant: Baltimore, MD.
520587 ~ Sequence Assembly Number, 20,587th Chevelle at Baltimore, MD.

2nd line:
T0809CRW ~ Engine Code: Tonawanda Engine Plant (T), August 9 (0809), 454/270hp w/TH400 (CRW)
P2F20 ~ Transmission Code: Car has TH400 but code shown is unknown format. Transmission tag is dated July 22, 1971.

3rd line:
RVC239E ~ Rear Axle Number: Positraction 3.31:1 ratio (RV), Buffalo (C), August 19, 1971 (day #239), Eaton Positraction (E)
R ~ Carburetor Source: Rochester

Options

  3 1 
GHIJKLM

I-3 ~ Radio [RPO U63 or U69 or U79]
K-1 ~ Four-Season Air Conditioning [RPO C60]

J ~ Vehicle Build Month: September

Owner/dealer info: Original owner's name/address removed for obvious privacy reasons.


CHEVELLESTUFF  All Rights Reserved

1st line:
1D37U2B565425 ~ VIN
1D37 ~ Chevrolet (1), Malibu (D), Sport Coupe (37)
U ~ 402cid V8 4-bbl (LS3)
2 ~ Model Year of Production: 1972
B ~ Final Assembly Plant: Baltimore, MD.
565425 ~ Sequence Assembly Number, 65,425th Chevelle at Baltimore, MD.

2nd line:
T1119CTA ~ Engine Code: Tonawanda Engine Plant (T), November 19 (1109), 402/240hp w/Manual  A.I.R. (CTA)
P2S29 ~ Transmission Code: Muncie (P), 1972 (2), November 29 (S29)

3rd line:
CFC334E ~ Rear Axle Number: Positraction 3.31:1 ratio (CF), Buffalo (C), November 30, 1971 (day #334), Eaton Positraction (E)
R ~ Carburetor Source: Rochester

Options

1133  
GHIJKLM

G-1 ~ Power steering [RPO N40]
H-1 ~ Power brakes [RPO J50]
I-3 ~ Radio [RPO U63 or U69 or U79]
J-3 ~ Disk brakes [RPO J52]

L ~ Vehicle Build Month: November

Owner/dealer info: Original owner's name/address removed for obvious privacy reasons.


CHEVELLESTUFF  All Rights Reserved
There are some inconsistencies with this Monte Carlo POP. VIN sequence, engine and rear end all put the assembly of components in December of 1970 but TH350 transmission carries date code of June and build month is listed as November and no plant letter is identified on the transmission code.

1st line:
1H57J2B570101 ~ VIN
1H57 ~ Chevrolet (1), Monte Carlo (H), Monte Carlo 2Sport Coupe (57)
J ~ 350cid V8 4-bbl (L48)
2 ~ Model Year of Production: 1972
B ~ Final Assembly Plant: Baltimore, MD.
570101 ~ Sequence Assembly Number, 70,101st Chevelle at Baltimore, MD.

2nd line:
K1202CKD ~ Engine Code: McKinnon Ind. (K), December 02 (1202), 350-4/175hp w/TH350 (CKD)
72H01 ~ Transmission Code: TH350, Year 1972 (72), June 1 (H01)

3rd line:
KDC336 ~ Rear Axle Number: 2.73:1 ratio (KD), Buffalo (C), December 02 (day #336)
C ~ Carburetor Source: Carter

Options

  3   
GHIJKLM

I-3 ~ Radio [RPO U63 or U69 or U79]

L ~ Vehicle Build Month: November

Owner/dealer info: Original owner's name/address removed for obvious privacy reasons.


CHEVELLESTUFF  All Rights Reserved

1st line:
1H57H2B600268 ~ VIN
1H57 ~ Chevrolet (1), Monte Carlo (H), Monte Carlo Sport Coupe (57)
H ~ 350cid V8 2-bbl (L65)
2 ~ Model Year of Production: 1972
B ~ Final Assembly Plant: Baltimore, MD.
600268 ~ Sequence Assembly Number, 100,268th Chevelle at Baltimore, MD.

2nd line:
K0203CTL ~ Engine Code: McKinnon Engine Plant (K), February 3 (0203), 350-2/165hp w/TH350 (TLD)
72P43 ~ Transmission Code: Cleveland TH350 (B), Year 1972 (2), September xx (P43 - there is no 43rd day)

3rd line:
GCC035 ~ Rear Axle Number: 2.73:1 ratio (GC), Buffalo (C), February 4 (day #035)
R ~ Carburetor Source: Rochester

Options

  3   
GHIJKLM

I-3 ~ Radio [RPO U63 or U69 or U79]

B ~ Vehicle Build Month: February

Owner/dealer info: Original owner's name/address removed for obvious privacy reasons.


CHEVELLESTUFF  All Rights Reserved

1st line:
1C37J2B626597 ~ VIN
1C37 ~ Chevrolet (1), Chevelle (C), Sport Coupe (37)
J ~ 350cid V8 4-bbl (L48)
2 ~ Model Year of Production: 1972
B ~ Final Assembly Plant: Baltimore, MD.
626597 ~ Sequence Assembly Number, 126,597th Chevelle at Baltimore, MD.

2nd line:
T0105CKD ~ Engine Code: Tonawanda Engine Plant (T), January 5 (0105), 350-4/175hp w/TH350 (CKD)
B2C05 ~ Transmission Code: Cleveland TH350 (B), Year 1972 (2), March 5 (C05)

3rd line:
KDC074 ~ Rear Axle Number: 2.73:1 ratio (KD), Buffalo (C), March 14 (day #074)
R ~ Carburetor Source: Rochester

Options

1 3   
GHIJKLM

G-1 ~ Power Steering [RPO N40]
I-3 ~ Radio [RPO U63 or U69 or U79]

C ~ Vehicle Build Month: March

Owner/dealer info: Original owner's name/address removed for obvious privacy reasons.


CHEVELLESTUFF  All Rights Reserved

1st line:
1C37J2B668387 ~ VIN
1C37 ~ Chevrolet (1), Chevelle (C), Sport Coupe (37)
J ~ 350cid V8 4-bbl (L48)
2 ~ Model Year of Production: 1972
B ~ Final Assembly Plant: Baltimore, MD.
668387 ~ Sequence Assembly Number, 168,387th Chevelle at Baltimore, MD.

2nd line:
T0508CKK ~ Engine Code: Tonawanda Engine Plant (T), May 08 (0508), 350/175hp w/manual (CKK)
72D49 ~ Transmission Code: unknown format but car does have M11 3-speed

3rd line:
CWC119 ~ Rear Axle Number: 3.31:1 ratio (CW), Buffalo (C), April 28, 1972 (day #119)
R ~ Carburetor Source: Rochester

Options

  3   
GHIJKLM

I-3 ~ Radio [RPO U63 or U69 or U79]

E ~ Vehicle Build Month: May

Owner/dealer info: Original owner's name/address removed for obvious privacy reasons


CHEVELLESTUFF  All Rights Reserved

1st line:
1D37H2B675240 ~ VIN
1D37 ~ Chevrolet (1), Malibu (D), Sport Coupe (37)
H ~ 350cid V8 2-bbl (L65)
2 ~ Model Year of Production: 1972
B ~ Final Assembly Plant: Baltimore, MD.
675240 ~ Sequence Assembly Number, 175,240th Chevelle at Baltimore, MD.

2nd line:
K0512CKA ~ Engine Code: McKinnon Industries (K), May 12 (0512), 350/165hp w/manual (CKA)
R2D28 ~ Transmission Code: Saginaw 4-speed (R), 1972 (2), April 28 (D28)

3rd line:
GGC132 ~ Rear Axle Number: 3.36:1 ratio (GG), Buffalo (C), May 11, 1972 (day #132)
R ~ Carburetor Source: Rochester

Options

1133  
GHIJKLM

G-1 ~ Power steering [RPO N40]
H-1 ~ Power brakes [RPO J50]
I-3 ~ Radio [RPO U63 or U69 or U79]
J-3 ~ Disc brakes [RPO J52]

E ~ Vehicle Build Month: May

Owner/dealer info: Original owner's name/address removed for obvious privacy reasons


CHEVELLESTUFF  All Rights Reserved

1st line:
1D67F2B683942 ~ VIN
1D67 ~ Chevrolet (1), Malibu (D), Convertible (67)
F ~ 307cid V8 2-bbl (L14)
2 ~ Model Year of Production: 1972
B ~ Final Assembly Plant: Baltimore, MD.
683942 ~ Sequence Assembly Number, 183,942nd Chevelle at Baltimore, MD.

2nd line:
T0607CTK ~ Engine Code: Tonawanda Engine Plant (T), June 07 (0607), 307/130hp w/TH350 (CTK)
B2D20 ~ Transmission Code: Cleveland TH350 (B), 1972 (2), April 20 (D20)

3rd line:
GHC154 ~ Rear Axle Number: 2.73:1 ratio (GH), Buffalo (C), June 2, 1972 (day #154)
R ~ Carburetor Source: Rochester

Options

1 3   
GHIJKLM

G-1 ~ Power steering [RPO N40]
I-3 ~ Radio [RPO U63 or U69 or U79]

F ~ Vehicle Build Month: June

Owner/dealer info: Original owner's name/address removed for obvious privacy reasons


*  The dates are counted from January 1, 1971