New Heavy Duty Semi Truck Exhaust Reducers

Shop our online inventory of New Heavy Duty Semi Truck Exhaust Reducers for sale online. Enjoy our hassle-free online checkout or call to speak to an expert.
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Grand Rock Exhaust CN-66A Exhaust Reducer

Grand Rock Exhaust CN-66A Exhaust Reducer - New

NEW - Connector,6"X6 ID-OD alz
Diameter: 6
Type: CONNECTOR
Material: ALUMINIZED
Item:GRE CN-66A
$32.18

Grand Rock Exhaust CN-356A Exhaust Reducer

Grand Rock Exhaust CN-356A Exhaust Reducer - New

NEW - Connector,3.5"X6 id/od alz
Diameter: 3.5
Type: CONNECTOR
Material: ALUMINIZED
Item:GRE CN-356A
$22.52

Grand Rock Exhaust CN-46A Exhaust Reducer

Grand Rock Exhaust CN-46A Exhaust Reducer - New

NEW - Connector,4"X6 id/od alz
Diameter: 4
Type: CONNECTOR
Material: ALUMINIZED
Item:GRE CN-46A
$24.13

Grand Rock Exhaust BT-5EXSS Exhaust Reducer

Grand Rock Exhaust BT-5EXSS Exhaust Reducer - New

NEW - 5"X4 id/od pipe 304 ss weld to diver box
Diameter: 5
Type: CONNECTOR
Material: STAINLESS STEEL
Item:GRE BT-5EXSS
$61.16

Grand Rock Exhaust BT-5SS Exhaust Reducer

Grand Rock Exhaust BT-5SS Exhaust Reducer - New

NEW - 5"X4 od/od pipe ss 304 ss weld to diverter box
Diameter: 5
Type: CONNECTOR
Material: STAINLESS STEEL
Item:GRE BT-5SS
$61.16

Lincoln ADP8B Exhaust Reducer

Lincoln ADP8B Exhaust Reducer - New

NEW - 8" OD to 5" OD, 12.8" LONG
Diameter: 8
Type: REDUCER
Material: CHROME
Item:LINC ADP8B
$184.45
Donaldson P206327 Exhaust Reducer

Donaldson P206327 Exhaust Reducer - New

NEW - Reducer, 4-3.5 in (102-89 mm) OD-ID
Diameter: 3.5
Type: REDUCER
Material: ALUMINIZED
Item:DO P206327
$39.67
Donaldson P206326 Exhaust Reducer

Donaldson P206326 Exhaust Reducer - New

NEW - Reducer, 4-3 in (102-76 mm) OD-ID
Diameter: 3
Type: REDUCER
Material: ALUMINIZED
Item:DO P206326
$37.38
Donaldson P206318 Exhaust Reducer

Donaldson P206318 Exhaust Reducer - New

NEW - Reducer, 6-5 in (152-127 mm) ID-ID
Diameter: 6
Type: REDUCER
Material: ALUMINIZED
Item:DO P206318
$49.22
Donaldson P206315 Exhaust Reducer

Donaldson P206315 Exhaust Reducer - New

NEW - Reducer, 4-3 in (102-76 mm) ID-ID
Diameter: 4
Type: REDUCER
Material: ALUMINIZED
Item:DO P206315
$45.74
Donaldson J009649 Exhaust Reducer

Donaldson J009649 Exhaust Reducer - New

NEW - Reducer, 5-4 in (127-102 mm) OD-OD
Diameter: 5
Item:DO J009649
$35.95
Donaldson J190045 Exhaust Reducer

Donaldson J190045 Exhaust Reducer - New

NEW - Reducer, 4-3.5 in (102-89 mm) OD-OD
Diameter: 4
Item:DO J190045
$35.03
Donaldson P206322 Exhaust Reducer

Donaldson P206322 Exhaust Reducer - New

NEW - Reducer, 4-3.5 in (102-89 mm) ID-OD
Diameter: 4
Type: REDUCER
Material: ALUMINIZED
Item:DO P206322
$43.65
Donaldson P206317 Exhaust Reducer

Donaldson P206317 Exhaust Reducer - New

NEW - Reducer, 5-4 in (127-102 mm) ID-ID
Diameter: 5
Type: REDUCER
Material: ALUMINIZED
Item:DO P206317
$52.65
Donaldson P206323 Exhaust Reducer

Donaldson P206323 Exhaust Reducer - New

NEW - Reducer, 5-4 in (127-102 mm) ID-OD
Diameter: 5
Type: REDUCER
Material: ALUMINIZED
Item:DO P206323
$47.99
Grand Rock Exhaust SL645-1515SC Exhaust Reducer

Grand Rock Exhaust SL645-1515SC Exhaust Reducer - New

NEW - 6" - 45 deg. 15" x 15" OD-OD chrome
Item:GRE SL645-1515SC
$247.54

Grand Rock Exhaust SB6-4815IH Exhaust Reducer
Item:GRE SB6-4815IH
$352.56

Grand Rock Exhaust SB7-4632IH-2 Exhaust Reducer

Grand Rock Exhaust SB7-4632IH-2 Exhaust Reducer - New

NEW - 2 piece 4" id/od alz(B4632IH-2B, B-4632IH-3B )
Item:GRE SB7-4632IH-2
$303.95

Grand Rock Exhaust SB5-5479FL Exhaust Reducer
Item:GRE SB5-5479FL
$136.69

Grand Rock Exhaust SB3-8848IH Exhaust Reducer
Item:GRE SB3-8848IH
$143.13

Grand Rock Exhaust SB3-1015FL-S3 Exhaust Reducer
Item:GRE SB3-1015FL-S3
$389.94

Grand Rock Exhaust R4O-25IA Exhaust Reducer

Grand Rock Exhaust R4O-25IA Exhaust Reducer - New

NEW - 4"od to 2.5"id reducer alz.
Item:GRE R4O-25IA
$26.53

Grand Rock Exhaust R3I-25OA Exhaust Reducer

Grand Rock Exhaust R3I-25OA Exhaust Reducer - New

NEW - Reducer,3"id x 2.5"od,alz
Item:GRE R3I-25OA
$27.35

Grand Rock Exhaust L745-1212SA Exhaust Reducer

Grand Rock Exhaust L745-1212SA Exhaust Reducer - New

NEW - 7" 45 deg., 12" x 12" od/od; alz
Item:GRE L745-1212SA
$594.65

Grand Rock Exhaust L390-1212SA Exhaust Reducer

Grand Rock Exhaust L390-1212SA Exhaust Reducer - New

NEW - 3" 90DEG. 12"X12" od/od; alz
Item:GRE L390-1212SA
$31.33

Grand Rock Exhaust IH-4535C2 Exhaust Reducer

Grand Rock Exhaust IH-4535C2 Exhaust Reducer - New

NEW - 3.5" double bend od/od, Alz
Item:GRE IH-4535C2
$128.78

Grand Rock Exhaust IH-CUP Exhaust Reducer

Grand Rock Exhaust IH-CUP Exhaust Reducer - New

NEW - 5" + 6" alz, 2-BEND, Id/id
Item:GRE IH-CUP
$291.39

Grand Rock Exhaust SB2-8425BB Exhaust Reducer

Grand Rock Exhaust SB2-8425BB Exhaust Reducer - New

NEW - Reducer,4"X13 od/R3"id alz
Diameter: 4
Type: REDUCER
Material: ALUMINIZED
Item:GRE SB2-8425BB
$48.49

Grand Rock Exhaust S4-8SBA Exhaust Reducer

Grand Rock Exhaust S4-8SBA Exhaust Reducer - New

NEW - Stack straight,4"X08,od/od alz
Diameter: 4
Type: CONNECTOR
Material: ALUMINIZED
Item:GRE S4-8SBA
$32.18

Grand Rock Exhaust RS-512A Exhaust Reducer

Grand Rock Exhaust RS-512A Exhaust Reducer - New

NEW - Connector,5"X12 id/id alz
Diameter: 5
Type: REPAIR SECTION
Material: ALUMINIZED
Item:GRE RS-512A
$64.06

Grand Rock Exhaust RS-518A Exhaust Reducer

Grand Rock Exhaust RS-518A Exhaust Reducer - New

NEW - Connector,5"X18 id/id alz
Diameter: 5
Type: REPAIR SECTION
Material: ALUMINIZED
Item:GRE RS-518A
$75.72

Grand Rock Exhaust RS-524A Exhaust Reducer

Grand Rock Exhaust RS-524A Exhaust Reducer - New

NEW - Connector,5"X24 id/id alz
Diameter: 5
Type: REPAIR SECTION
Material: ALUMINIZED
Item:GRE RS-524A
$86.92

Grand Rock Exhaust RS-536A Exhaust Reducer

Grand Rock Exhaust RS-536A Exhaust Reducer - New

NEW - Connector,5"X36 id/id alz
Diameter: 5
Type: REPAIR SECTION
Material: ALUMINIZED
Item:GRE RS-536A
$90.14

Grand Rock Exhaust RS-548A Exhaust Reducer

Grand Rock Exhaust RS-548A Exhaust Reducer - New

NEW - Connector,5"X48 id/id alz
Diameter: 5
Type: REPAIR SECTION
Material: ALUMINIZED
Item:GRE RS-548A
$112.68

Grand Rock Exhaust RS-312A Exhaust Reducer

Grand Rock Exhaust RS-312A Exhaust Reducer - New

NEW - Connector,3"X12 id/id alz
Diameter: 3
Type: REPAIR SECTION
Material: ALUMINIZED
Item:GRE RS-312A
$37.01

Grand Rock Exhaust RS-324A Exhaust Reducer

Grand Rock Exhaust RS-324A Exhaust Reducer - New

NEW - Connector,3"X24 id/id alz
Diameter: 3
Type: REPAIR SECTION
Material: ALUMINIZED
Item:GRE RS-324A
$42.86

Grand Rock Exhaust RS-3512A Exhaust Reducer

Grand Rock Exhaust RS-3512A Exhaust Reducer - New

NEW - Connectors,3.5"X12 id/id alz
Diameter: 3.5
Type: REPAIR SECTION
Material: ALUMINIZED
Item:GRE RS-3512A
$42.39

Grand Rock Exhaust RS-412A Exhaust Reducer

Grand Rock Exhaust RS-412A Exhaust Reducer - New

NEW - Connector,4"X12 id/id alz
Diameter: 4
Type: REPAIR SECTION
Material: ALUMINIZED
Item:GRE RS-412A
$38.62

Grand Rock Exhaust RS-418A Exhaust Reducer

Grand Rock Exhaust RS-418A Exhaust Reducer - New

NEW - Connector,4"X18 id/id alz
Diameter: 4
Type: REPAIR SECTION
Material: ALUMINIZED
Item:GRE RS-418A
$47.96

Grand Rock Exhaust RS-424A Exhaust Reducer

Grand Rock Exhaust RS-424A Exhaust Reducer - New

NEW - Connector,4"X24 id/id alz
Diameter: 4
Type: REPAIR SECTION
Material: ALUMINIZED
Item:GRE RS-424A
$57.40

Grand Rock Exhaust RS-436A Exhaust Reducer

Grand Rock Exhaust RS-436A Exhaust Reducer - New

NEW - Connector,4"X36 id/id alz
Diameter: 4
Type: REPAIR SECTION
Material: ALUMINIZED
Item:GRE RS-436A
$66.24

Grand Rock Exhaust RS-448A Exhaust Reducer

Grand Rock Exhaust RS-448A Exhaust Reducer - New

NEW - Connector,4"X48 id/id alz
Diameter: 4
Type: REPAIR SECTION
Material: ALUMINIZED
Item:GRE RS-448A
$85.28

Grand Rock Exhaust R8I-5OA Exhaust Reducer

Grand Rock Exhaust R8I-5OA Exhaust Reducer - New

NEW - Reducer,8"id x 5"od,alz
Diameter: 8
Type: REDUCER
Material: ALUMINIZED
Item:GRE R8I-5OA
$99.80

Grand Rock Exhaust R8O-5OA Exhaust Reducer

Grand Rock Exhaust R8O-5OA Exhaust Reducer - New

NEW - Reducer,8"od x 5"od,alz
Diameter: 8
Type: REDUCER
Material: ALUMINIZED
Item:GRE R8O-5OA
$99.80

Grand Rock Exhaust R6O-5IC Exhaust Reducer

Grand Rock Exhaust R6O-5IC Exhaust Reducer - New

NEW - Reducer,6"od x 5"id,chr
Diameter: 6
Type: REDUCER
Material: CHROME
Item:GRE R6O-5IC
$107.85

Grand Rock Exhaust R6O-5OA Exhaust Reducer

Grand Rock Exhaust R6O-5OA Exhaust Reducer - New

NEW - Reducer,6"od x 5"od,alz
Diameter: 6
Type: REDUCER
Material: ALUMINIZED
Item:GRE R6O-5OA
$43.95

Grand Rock Exhaust R7O-5OA Exhaust Reducer

Grand Rock Exhaust R7O-5OA Exhaust Reducer - New

NEW - Reducer,7"od x 5"od,alz
Diameter: 7
Type: REDUCER
Material: ALUMINIZED
Item:GRE R7O-5OA
$62.77

Grand Rock Exhaust R6I-4IA Exhaust Reducer

Grand Rock Exhaust R6I-4IA Exhaust Reducer - New

NEW - Reducer,6"id x 4"id,alz
Diameter: 6
Type: REDUCER
Material: ALUMINIZED
Item:GRE R6I-4IA
$69.21

Grand Rock Exhaust R6I-4OA Exhaust Reducer

Grand Rock Exhaust R6I-4OA Exhaust Reducer - New

NEW - Reducer,6"id x 4"od,alz
Diameter: 6
Type: REDUCER
Material: ALUMINIZED
Item:GRE R6I-4OA
$69.21

Grand Rock Exhaust R6I-5OA Exhaust Reducer

Grand Rock Exhaust R6I-5OA Exhaust Reducer - New

NEW - Reducer,6"id x 5"od,alz
Diameter: 6
Type: REDUCER
Material: ALUMINIZED
Item:GRE R6I-5OA
$43.95

Our Locations

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While Vander Haag's, Inc still holds strong to its family focused values that have been at the core of the business since first opening in 1939, the company now features 11 Midwest locations selling quality used/rebuilt/new truck parts, selling commercial trucks & trailers, and providing full service heavy duty truck repair. 43.178044 -95.155024  Spencer, IA 41.640436 -93.584249  Des Moines, IA 43.594099 -96.709450  Sioux Falls, SD 41.158006 -95.826804  Council Bluffs, IA 39.065417 -94.498172  Kansas City, MO 41.033283 -86.596167  Winamac, IN 39.740696 -86.255676  Indianapolis, IN 39.960151 -83.366700  London, OH 38.176011 -85.750102  Louisville, KY 32.807028 -96.873557  Dallas, TX 38.751480 -90.470276  Bridgeton, MO

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