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05-14-2024, 12:24 AM
Use these casting numbers to identify the exhaust manifolds you have.



Casting Number

Years


Engine


Side


Comments



336706

74-78


350


RH




336707

74-78


350


LH




336708

74-78


350


RH




336709

74-78


350


RH


Camaro & Z-28 with A.I.R.



336710

74-78


307, 350 & 400


LH


Chevelle, Camaro, Z-28, Nova and Passenger with A.I.R.



346222

74-80


307, 350 & 400


RH


Chevelle, Camaro, Nova and Passenger with A.I.R.



346247

75-77


262, 350 & 400


LH


Chevelle, Camaro, Monte Carlo and Passenger 110, 145, 155 & 175 HP



346248

75-77


262, 350 & 400


RH


Chevelle, Camaro, Monte Carlo and Passenger 110, 145, 155 & 175 HP



354432

75-76


262


RH


110 HP



354433

75-76


262


LH


110 HP



364753

76-80


307, 350 & 400


LH


Camaro, Monte Carlo, Malibu and Passenger



372243

74-83


307, 350 & 400


RH


Corvette and Replacement manifold



462697

77-79


267 & 305


LH


Monte Carlo and Malibu



462698

77-83


267 & 305


RH


Monte Carlo and Malibu



474008

78-82


267, 305 & 350


RH




745994

80-86


267 & 305


LH




3704791

55-56


265


LH


Corvette and Passenger 195 HP



3704792

55-56


265


RH


Corvette and Passenger 195 HP



3725563

56


265


LH & RH


Corvette and Passenger 210 HP 2-Bolt Flange



3731557

56


265


LH


Corvette and Passenger 225 HP



3731558

56


265


RH


Corvette and Passenger 225 HP



3732498

58


283


RH


Corvette FI



3733975

57


283


LH


Corvette and Passenger 220, 245, 250, 270 & 283 HP



3733976

57


283


RH


Corvette and Passenger 220, 245, 250, 270 & 283 HP



3737902

62-65


327


RH


300, 340, 360, 365 & 375 HP 2.5" Outlet



3746563

65


327


LH


300 HP



3747038

58-65


283 & 327


RH


Corvette and Passenger 220, 250 & 300 HP 1.9" Outlet



3747042

58-68


283, 307 & 327


RH


Corvette and Passenger 195, 200, 220, 250, 270, 275, 290, 300 & 350 HP 1.9" Outlet



3747938

64


327


LH & RH


250 & 300 HP



3747942

65


327


LH & RH


250, 350 & 365 HP



3749965

58-63


283 & 327


LH


Corvette and Passenger 230, 245, 250, 270, 275, 290, 300 & 315 HP



3750556

58-65


283 & 327


RH


Corvette and Passenger 230, 245, 250, 270, 275, 290, 300 & 315 HP



3780728

64-67


327


LH


Chevy II



3790729

64-67


283 & 327


LH


195, 220, 250, 270, 275, 300 & 350 HP 2.0" Outlet Chevy II



3790730

64-65


283 & 327


RH


220, 250 & 300 HP 1.9" Outlet Chevy II



3791162

65-66


283 & 327


RH


Chevy II with AC



3791182

66-67


283 & 327


RH


Passenger with AC



3797901

62-63


327


LH


Corvette 300, 340 & 360 HP



3797902

62-65


327


RH


Corvette 300, 340, 360, 365 & 375 HP 2.5" Outlet



3797942

63-65


327


LH & RH


Corvette 300, 360, 365 & 375 HP 2.5" Outlet



3834947

64-68


283, 307 & 327


LH


Chevelle 195, 200, 210, 220, 250, 275, 295, 300, 325, 350 & 365 HP 2.0" Outlet



3836968

55-56


265


RH


Corvette and Passenger 195 HP



3837069

55


265


LH


Corvette and Passenger 195 HP



3840715

64


283 & 327


LH


Chevelle



3840912

64-68


283, 307, 327 & 350


RH


Chevelle, Camaro and Nova 195, 200, 210, 220, 250, 275, 295, 300, 325, 350 & 365 HP 1.9" Outlet



3846559

64-71


327 & 350


LH


Corvette 250, 270, 300 & 350 HP 2.0" Outlet



3846563

64-65


327


LH


Corvette 300, 350 & 365 HP 2.5" Outlet



3846659

66


327


LH


350 HP



3849288

64-67


283 & 327


RH


195, 220, 275 & 350 HP 1.9" Outlet Chevy II



3849290

64-67


283 & 327


RH


195, 220, 275 & 350 HP 1.9" Outlet Chevy II with AC



3855163

65-68


283, 307 & 327


LH


Passenger and Truck 195, 200, 220, 250 & 275 HP 2.0" Outlet



3872723

66-67


283 & 327


LH


195, 220, 275 & 350 HP 2.0" Outlet Chevy II A.I.R.



3872729

66


283 & 327


LH


Chevelle 195,220, 275 & 350 HP 2.0" Outlet A.I.R.



3872730

66-68


283, 302, 307 & 327


RH


Chevelle, Camaro & Z-28 200, 210, 220, 250, 275, 290, 325 & 350 HP 1.9" Outlet A.I.R.



3872738

66-67


283 & 327


RH


195, 220, 275 & 350 HP 1.9" Outlet Chevy II



3872741

66-68


283, 307 & 327


LH


Passenger 195, 200, 220, 250 & 275 HP 2.0" Outlet A.I.R.



3872765

67-71


327 & 350


LH


Corvette 300, 330, 350 & 370 HP 2.0" Outlet A.I.R.



3872778

66-68


283, 307 & 327


RH


Corvette, Passenger and Truck 195, 200, 250, 275, 300 & 350 HP 1.9" Outlet A.I.R.



3887186

66


283


RH


220 HP 1.9" Outlet



3890424

64-67


283 & 327


RH


Chevy II



3892679

66-68


283, 302, 307, 327 & 350


LH


Chevelle, Camaro and Z-28 195, 200, 210, 220, 250, 275, 290, 295 & 325 HP 2.0" Outlet



3892683

66-68


283, 302, 307, 327 & 350


LH


Chevelle, Camaro and Z-28 195, 200, 210, 220, 250, 275, 290, 295 & 325 HP 2.0" Outlet



3893604

66-68


283 & 327


RH


Passenger A.I.R.



3893608

67-68


283, 302, 307, 327 & 350


RH


Chevelle, Camaro and Z-28 195, 200, 210, 250, 275, 290, 295 & 325 HP 1.9" Outlet



3896956

67-68


283 & 327


RH


Truck



3905364

69-72


307, 350 & 400


RH


Truck



3932376

69-70


307, 327, 350 & 400


RH


Chevelle and Camaro 200, 210, 250, 255, 265 & 300 HP 1.9" Outlet



3932461

69-74


327 & 350


LH & RH


Corvette 190, 195, 200, 235, 255, 300, 330 & 350 HP 1.9" Outlet A.I.R.



3932465

69-70


327, 350 & 400


RH


Passenger 235, 250, 255, 265, 300 & 350 HP 1.9" Outlet



3932469

69-70


327 & 350


LH


Passenger 235, 250, 255 & 300 HP 2.0" Outlet



3932473

69-70


327, 350 & 400


LH


Passenger 235, 250, 255, 265 & 300 HP 2.0" Outlet



3932481

69


350


RH


Corvette



3940972

67


350


RH


Camaro 295 HP



3942527

69-70


302, 307, 327 & 350


LH


Chevelle, Camaro, Z-28 and Nova 200, 210, 250, 255, 290, 300 & 360 HP 2.0" Outlet A.I.R.



3942529

69-70


302, 307, 327, 350 & 400


LH


Chevelle, Camaro and Nova 200, 210, 250, 255, 290 & 300 HP 2.0" Outlet



3946826

69-70


302, 307, 327 & 350


RH


Chevelle, Camaro, Z-28 and Nova200, 210, 250, 255, 290, 300 & 360 HP 1.9" Outlet A.I.R.



3959562

72-74


307, 350 & 400


RH


Chevelle, Camaro and Z-28 115, 130, 145, 150, 160, 165, 170, 175, 180, 185 & 245 HP 2.0" Outlet A.I.R.



3973432

70-74


307, 350 & 400


RH


Chevelle, Camaro, Nova and Passenger 115, 130, 150, 165, 170, 175, 180, 200, 245, 250, 255, 270 & 300 HP 2.0" Outlet



3986330

69-73


302, 307, 327 & 350


RH


Camaro and Z-28 200, 210, 245, 250, 255, 290, 300, 330 & 360 HP 1.9" Outlet A.I.R.



3989036

71-75


350


LH & RH


Corvette and Passenger 165, 195, 200, 205 & 270 HP 2.0" Outlet with and without A.I.R.



3989041

69-74


302, 307, 327, 350 & 400


LH


Camaro, Z-28 and Nova 115, 130, 145, 150, 160, 165, 170, 180, 185, 200, 210, 245, 250, 255, 290, 300, 330 & 360 HP 2.0" Outlet with and without A.I.R.



3989043

70-73


307, 350 & 400


LH


Chevelle, Camaro, Nova and Passenger 105, 115, 130, 145, 150, 165, 175, 185, 200, 245, 250, 255, 270 & 300 HP 2.0" Outlet with and without A.I.R.



3989055

69-72


307, 350 & 400


LH




3997742

71-78


307 & 350


RH


2.0" Outlet



3998902

72-78


307 & 350


RH




10045315

88-94


305 & 350


LH




10045317

88-94


305 & 350


LH




10045317

88-94


305 & 350


LH




10046123

87-92


305 & 350


LH




10046139

84-85


350


LH




10046140

84-85


350


RH




10055734

87-91


350


RH




10092901

89-91


350


LH




10092903

89-94


350


LH




10092905

89-94


350


LH




10108437

87-93


305 & 350


RH




10128448

91-93


305 & 350


LH




10128483

91-93


305 & 350


LH




10166144

91-94


350


RH




10166145

87-90


305 & 350


LH




10166147

89-94


305 & 350


LH




10166158

89-94


305 & 350


RH




10168494

94


265 & 350


LH




10207656

93-94


350


LH




10207657

93


350


RH




10433037

82-86


305


LH




12550621

94


265


RH




12550622

91


350


RH




14007400

80-86


267 & 305


LH




14014437

80-84


305


LH




14014438

80-84


305


RH




14014459

81-86


305 & 350


LH




14014500

79-86


267, 305 & 350


RH




14022625

80-81


305


LH




14031361

82-86


305


RH




14031376

81-86


350


RH




14034069

81-86


350


RH




14034075

81-86


305 & 350


LH




14043373

82-86


305


LH




14050233

83-86


305 & 350


LH




14050282

83-87


305 & 350


RH




14050287

82-86


305


LH




14057029

84-85


350


LH




14057030

84-85


350


RH




14060630

81-86


350


RH




14060633

81-86


305 & 350


LH




14067365

77-86


267, 305, 350 & 400


LH




14068667

85-88


350


LH




14068670

85-88


350


RH




14071200

83-86


305


RH




14075611

83-86


305


LH




14079295

85-86


305 & 350


LH




14079296

85-86


305 & 350


RH




14087511

86-91


350


LH




14087512

86-91


350


RH




14093653

87-90


305 & 350


LH




14093654

87-90


305 & 350


RH




14093655

87-90


305 & 350


LH




14093658

88-94


305 & 350


RH




14093660

87-90


305 & 350


RH




14093682

87-90


305 & 350


RH




14094045

87-90


305 & 350


LH




14094063

87-92


305 & 350


LH




14094064

87-92


305 & 350


RH




14094065

85-88


350


RH




14101054

87-88


305 & 350


RH




14102016

88-94


305 & 350


RH




14102018

89-94


305 & 350


RH




14103206

87-91


305 & 350


RH




14103207

87-91


305 & 350


LH




329225

73-76


454


LH


Chevelle and Passenger with and without A.I.R.



353028

73-76


454


LH


Chevelle and Passenger with and without A.I.R.



353030

73-76


454


LH


Police



3732793

58-61


348


LH


Passenger



3732794

58-61


348


RH


Passenger



3767583

59-61


348 & 409


LH


Passenger



3767584

59-61


348 & 409


RH


Passenger



3814682

62-64


409


RH


Passenger



3814683

62-64


409


LH


Passenger



3822925

62-64


409


LH


Passenger & Z-11



3822926

62-64


409


RH


Passenger & Z-11



3855161

65


409


LH


Passenger 340 & 400 HP



3855162

65


409


RH


Passenger 340 & 400 HP



3856297

65


396


LH


325 HP



3856301

65


396


LH


425 HP Corvette



3856302

65


396


RH


425 HP Corvette



3856306

65


396


RH


Passenger 325 HP



3857297

65


396


LH


Passenger 325 HP



3868874

65-66


396


RH


Chevelle 325, 360 & 375 HP Z-16



3869925

65


396


LH


Chevelle 375 HP Z-16



3872770

66


396


RH




3880827

66-69


427 & 454


LH


Corvette



3880828

66-72


427 & 454


RH


Corvette 270, 365, 390 & 425 HP with and without A.I.R. LS-5 & LS-6



3880869

70-72


454


LH


Corvette 365 & 425 HP with and without A.I.R. LS-5 & LS-6



3883827

66


427


LH


Passenger



3883828

66


427


RH


Passenger



3883999

66


396


LH


Chevelle 325, 360 & 375 HP



3884504

66-67


396 & 427


RH


Passenger 325, 385 & 390 HP



3892307

66-67


396 & 427


LH


Passenger 325 & 390 HP



3902401

67


396


LH


Chevelle



3904399

66


396


LH




3909879

67-70


396, 427 & 454


LH


Chevelle, Camaro and Nova 325, 350, 375, 425, 430 & 450 HP LS-6 COPO



3909880

67


396


RH


Chevelle and Camaro 325, 350 & 375 HP



3914613

68-70


396 & 427


LH


Passenger 265, 325, 335, 345, 390 & 425 HP



3916178

68-70


396, 427 & 454


RH


Chevelle, Camaro, Nova and Passenger 325, 350, 375, 425, 430 & 450 HP COPO LS-5 & LS-6



3969869

70-74


454


LH


Corvette 270, 365 & 390 HP with and without A.I.R. LS-5



3989310

71-72


402 & 454


RH


Chevelle, Camaro, Monte Carlo and Passenger



3989343

71-72


402 & 454


LH


Chevelle, Camaro, Monte Carlo and Passenger



3994045

73-75


454


LH


Police