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© 2017 MEI Corporation HEATER CORES 458 HEATER CORES Table of Contents The HEATER CORE is usually located inside the cab under the dash. It is connected to the engines heater hoses. As hot engine coolant flows through its coils or tubes; the blower fan blows or circulates air through it, sending warm air inside the cab. Our heater cores are of high quality which meets and/or exceeds the O.E.M requirements. Basic Information HEATER CORES Specifications Chart ................................................ 459 Visual Illustrations Section...................................... 461 HEATER HOSE FITTINGS .............................. 467 HEATER HOSE .................................................. 478 HEATER VALVES .............................................. 469 Actuators, Control Cables, Electric and Manual Types AUXILIARY HEATERS Complete Assemblies .....................................663-670 HEATER CORES

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Page 1: HEATER CORES HEATER CORES HEATER CORES2017 MEI Corporation HEATER CORES HEATER CORES 458 HEATER CORES Table of Contents The HEATER CORE is usually located inside the cab under the

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HEATER CORES Table of Contents

The HEATER CORE is usually located inside the cab under the dash. It is connected to the engines heater hoses. As hot engine coolant flows through its coils or tubes; the blower fan blows or circulates air through it, sending warm air inside the cab. Our heater cores are of high quality which meets and/or exceeds the O.E.M requirements.

Basic Information

HEATER CORESSpecifications Chart ................................................459Visual Illustrations Section ......................................461

HEATER HOSE FITTINGS ..............................467

HEATER HOSE ..................................................478

HEATER VALVES ..............................................469Actuators, Control Cables, Electric and Manual Types

AUXILIARY HEATERSComplete Assemblies .....................................663-670

HEATER CORES

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Listed in progressive size by Width x Length x Thickness

WIDTH (HEIGHT)The width/height of the heater core is the distance along the fin.

LENGTH Measure the actual core only. The length of the heater core is the length of the coils between the header segments.

THICKNESSMeasure the thickness of the coils only. Length

Width

Thickness

WIDTH LENGTH THICKNESS PART # IN OUT APPLICATION O.E.M. #4” 19 1/8” 1 7/8” 6953 - - RD R9750 units (10-9735/10-9736)4 “ 10 3/4” 1 7/8” 6954 5/8” 5/8” RD R2020 heater (10-9868)6” 6” 2” 6835 5/8” 5/8” Ford F150-350 D2TZ-18476C6” 6 3/8” 1 5/8” 6936 5/8” 5/8” Freightliner w/ Behr BOA936756” 7 5/8” 2” 6839 5/8” 5/8” Ford L series E0HZ-18476A6” 7 3/4” 2” 6845 5/8” 5/8” Ford C,CL,CLT,CT E6HZ-18476B6” 7 3/4” 2” 6826 5/8” 5/8” Ford F150-350 (swivel fittings) E3TZ-18476H 6” 7 3/4” 2” 6870 5/8” 5/8” Ford, E27H-18476AA (swivel fttngs) E3TZ-18TZ-18476A6” 7 3/4” 2” 6874 5/8” 5/8” Ford F150/350 C6OZ-18476A6” 8” 2” 6852 5/8” 3/4” Ford L series D2HZ-18476B6” 9 5/8” 2” 6859 5/8” 5/8” Ford L series E3HZ-18476A6” 9 3/4” 2” 6880 5/8” 3/4” Ford L series D9HZ-18476A6 “ 13 1/2” 1 7/8” 6955 5/8” 5/8” RD R8545 units (10-9743/10-9744)6” 16” 2 1/2” 6893 5/8” 5/8” Peterbilt 108201, MC11306” 18 1/2” 2” 6890 5/8” 5/8” Peterbilt 108206, MC11656 1/8” 11 1/4” 2 3/8” 6832 5/8” 5/8” Mack w/Signet a/c 3230-2216996 1/4” 9 1/2” 2” 6857 5/8” 3/4” Che/GMC P30 30375316 1/2” 7 5/8” 2” 6855 5/8” 5/8” Navistar Loadstar 437641C16 1/2” 12 1/4” 1 7/8” 6904 3/4” 3/4” Freightliner FL series ABP N83 3150256 5/8” 6” 1 5/8” 6949 3/8” 3/8” Freightliner,Chrys Sprtr 2.7TD (aluminum/plastic)6 5/8” 14 1/8” 1 1/4” 6950 beadlock Freightliner,Chrys Sprinter (aluminum)7” 7” 2” 6846 5/8” 5/8” Ford F150-350 (swivel fittings) E7TZ-18476A7 “ 7 3/4” 2” 6935 3/4” 3/4” Ford L-Series F1HZ18476B7” 8 1/4” 2” 6829 5/8” 3/4” Che/GMC P30 30272477” 8 1/2” 2 1/2” 6815 5/8” 5/8” Mack R series 4379-RD1061507” 8 1/2” 2 1/2” 6931 5/8” 5/8” Mack w/RedDot R8520-2 RD1-0958-07” 9 3/4” 1 7/8” 6819 5/8” 5/8” Mack CM series 4379-RD1069907” 14 3/4” 1 1/4” 6967 Fem bead conn Volvo VN Series 851202777 1/8” 7 1/4” 2” 6971 3/4” 3/4” Ford, E150-450SD 4C2Z-18476AA7 1/8” 8 1/4” 1 5/16” 6958 5/8” 3/4” Topkick/Kodiac Express/Sava (swivel fittings)7 1/8” 11” 1 5/8” 6951 5/8” 5/8” Freightliner,Cascadia VCCT1000899G7 1/4” 7 3/4” 2” 6863 3/4” 3/4” Ford Aerostar E69H-18476BA7 1/4” 8” 2” 6853 5/8” 5/8” Ford 80-88 F150-350 E9TH-18476A7 14” 8 1/4” 1” 6962 3/4” 3/4” GMC C/K 10-35 Ser 89018297 (swivel ftgs)7 1/4” 8 1/2” 1” 6825 5/8” 3/4” Che/GMC (swivel fittings) C, M, W3091251 7 3/8” 7 3/4” 2” 6841 3/4” 3/4” Ford E150/350 E9UZ-18476B7 1/2” 8 1/4” 2” 6838 5/8” 3/4” Che/GMC Bison/General 3033461

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7 1/2” 8 1/2” 2” 6868 5/8” 3/4” Che/GMC C,M,W (swivel fittings) 30913167 1/2” 9 1/2” 2” 6873 5/8” 3/4” Che/GMC P30 30375317 1/2” 10 3/8” 1 1/2” 6963 - - Mack 3543-K0762 (alum/plastic)7 1/2” 15” 1 3/8” 6959 - - Volvo VN 2004-09 85104947. BOAA42837 3/4” 9 3/4” 2” 6877 5/8” 3/4” Navistar various ser 474030C27 7/8” 8” 2” 6886 5/8” 5/8” Kenworth T series 1082637 11/16” 7 1/8” 2 1/8” 6943 9/16” 9/16” F250-F550 HD (swivel fittings) F81Z18476AA7 11/16” 7 1/8” 2 1/8” 6910 3/4” 9/16” 97-03 E Series (swivel fittings) F7UH18476AA7 11/16” 7 1/8” 2 1/8” 6947 3/4” 3/4” Ford 98-01 Aeromax (swivel ftgs) F7HH18476AA; F7HZ18476AA8” 5 5/8” 2 7/8” 6817 5/8” 5/8” Freightliner w/R4190 Sleeper RD-1-0755-0; MC12558” 8” 1 3/4” 6928 3/4” 3/4” Peterbilt, Main cab, Conv. B20011S8” 8” 2 1/2” 6813 5/8” 5/8” Freightliner w/R4190 Sleeper MC11508” 8” 2 1/2” 6802 5/8” 5/8” Peterbilt Sleeper unit RD1-0574-08” 8 7/8” 1 7/8” 6887 5/8” 3/4” Navistar 2000-8000 ser 1696843C18” 9” 2 1/2” 6806 5/8” 5/8” Kenworth, Mack RD1-0147-18” 9” 2 1/2” 6902 5/8” 5/8” Western Star 4800-4900 RD1-0460-18” 9 1/2” 2” 6833 5/8” 3/4” Navistar 4000-8000 (swivel fttngs) 581702C18” 12” 2 1/2” 6809 5/8” 5/8” Peterbilt RD1-0650-08” 12” 2 1/2” 6836 5/8” 5/8” Kenworth C500 110640, MC10058” 12 11/16” 1 7/8” 6814 5/8” 5/8” Mack MC/MR series 4379-RD1055008” 14 1/2” 1 7/8” 6810 5/8” 5/8” Peterbilt RD1-0715-08” 17 1/2” 1 7/8” 6903 5/8” 5/8” Freightliner FL series 315060; BOA85-200-71-0098” 18 11/16” 1 7/8” 6897 5/8” 5/8” Peterbilt 108289, MC13658 5/8” 10” 1 1/4” 6970 5/8” 5/8” PACCAR (main) W20460018 3/4” 9 1/2” 1 1/2” 6942 3/4” 3/4” Freightliner HM91040018 7/8” 9 7/8” 2 1/2” 6964 5/8” 5/8” Peterbilt, Main unit 3X011018; 3X0100059” 11” 1 5/16” 6840 1/2”NPT 3/4” Navistar 5000 ser 501099C919” 13” 1 7/8” 6957 5/8” 5/8” Fits PROAIR underseat heater 9 5/32” 9 3/32” 1 7/8” 6883 5/8” 3/4” Navistar 4000-9000 ser 169995C1; MC135510” 6” 2 1/2” 6946 5/8” 5/8” Mack CX 7787-86922310” 7 11/16” 1 7/8” 6898 5/8” 5/8” Volvo w/Bergstrom 108281, MC1370,394741410” 7 5/8” 2 1/2” 6850 3/4” 5/8” Peterbilt 28024410” 7 7/16” 3 1/8” 6916 5/8” 5/8” Peterbilt 387 10829310” 9” 1 7/8” 6820 5/8” 5/8” Ford L series RD1-0680-010” 9” 2 1/2” 6821 5/8” 5/8” Mack CH/CL series 4379-RD10693010” 9” 2 3/4” 6968 3/4” 5/8” International 2612565-C110” 9 1/8” 2 1/2” 6965 5/8” 3/4” Navistar BSM710082, 2593489-C1, 2594124-C110” 10” 2 1/2” 6915 3/4” 3/4” Freightliner C112, 120 ABP N83 31501010” 10 23/32” 1 7/8” 6899 5/8” 5/8” Volvo w/Bergstrom 108220; 111838710” 23 11/32” 3015-32” 6969 - - IC Bus (copper, brass) 2585989-C110 3/8” 6” 1 5/8” 6960 3/4” 3/4” Navistar ProStar 3599598-C111” 7 1/8” 1 5/8” 6952 5/8” 3/4” Freightliner M2 (2009) VCCT1001837R11” 10 5/64” 2 3/4” 6956 - - Western Star Const./Heritage 11 1/8” 7 1/8” 1 5/8” 6941A pad (w/cover) Freightliner M2 VCC3100000511 7/8” 7” 1 3/4” 6966 - - Navistar 2602575-C9112 3/8” 7 3/8” 1 1/2” 6948 3/4” 3/4” Navistar BOA85-471-77-00915” 7 3/8” 1 1/2” 6926 flange Volvo VN (Behr-Main Unit) 3946674 - - - 6930 - - Peterbilt (bunk) 108322

WIDTH LENGTH THICKNESS PART # IN OUT APPLICATION O.E.M. #

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Thickness

Width

Length

68257 1/4” x 8 1/2” x 1”In - 5/8” Out - 3/4” (swivel fittings)Che/GMC C, M, W 3091251

68266” x 7 3/4” x 2”In - 5/8” Out - 5/8” (swivel fittings)Ford F150/350 E3TZ-18476H

68157” x 8 1/2” x 2 1/2”In - 5/8” Out - 5/8”Mack R Series 4379-RD106150

68178” x 5 5/8” x 2 7/8” In - 5/8” Out - 5/8”Freightliner w/R4190 Sleeper RD10755-0; MC1255; N83-315180

682010” x 9” x 1 7/8”In - 5/8” Out - 5/8”Ford L Series RD10680-0; 76R3900

682110” x 9” x 2 1/2”In - 5/8” Out - 5/8”Mack CH/CL/CK Series 4379-RD106930

Listed in ascending order by part number; specifications are listed by Width x Length x Thickness.

68028” x 8” x 2 1/2”In - 5/8” Out - 5/8”Peterbilt Sleeper Unit RD10574-0

68068” x 9” x 2 1/2”In - 5/8” Out - 5/8”Kenworth, Mack RD10147-1

68098” x 12” x 2 1/2”In - 5/8” Out - 5/8”Peterbilt RD106500

68108” x 14 1/2” x 2 1/2”In - 5/8” Out - 5/8”Peterbilt RD107150

68138” x 8” x 2 1/2”In - 5/8” Out - 5/8”Freightliner w/R4190 Sleeper MC1150

68148” x 12 11/16” x 1 7/8”In - 5/8” Out - 5/8”Mack MC/MR Series 4379-RD105500

68197” x 9 3/4” x 1 7/8”In - 5/8” Out - 5/8”Mack CM Series 4379-RD106990

68297” x 8 1/4” x 2”In - 5/8” Out - 3/4”Che/GMC P30, 3027247

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68326 1/8” x 11 1/4” x 2 3/8”In - 5/8” Out - 5/8”Mack w/Signet A/C 3230-221699

68338” x 9 1/2” x 2”In - 5/8” Out - 3/4” (swivel fittings)Navistar 400/8000 Series 581702C1

68356” x 6” x 2”In - 5/8” Out - 5/8”Ford 73-79 F150/350 D2TZ-18476C

68368” x 12” x 2 1/2”In - 5/8” Out - 5/8”Kenworth C500 110640, MC1005

68387 1/2” x 8 1/4” x 2” In - 5/8” Out - 3/4”Che/GMC Bison/General 3033461

68396” x 7 5/8” x 2”In - 5/8” Out - 5/8” Ford L Series E0HZ-18476AA (Copper/Brass)

68409” x 11” x 1 5/16”In - 1/2” NPT Out - 3/4”Navistar 5000 Series 501099C91

68417 3/8” x 7 3/4” x 2”In - 3/4” Out - 3/4”Ford E150/350 E9UZ-18476B

68456” x 7 3/4” x 2”In - 5/8” Out - 5/8”Ford C, CL, CLT, CT E6HZ-18476B

68467” x 7” x 2”In - 5/8” Out - 5/8” (swivel fittings)Ford 80-96 F150-350 E7TZ-18476A

685010” x 7 5/8” x 2 1/2”In - 3/4” Out - 5/8”Peterbilt OE# 280244

68526” x 8” x 2”In - 5/8” Out - 3/4”Ford L Series D2HZ-18476B

68537 1/4” x 8” x 2”In - 5/8” Out - 5/8”Ford F150-350 E9TH-18476A

68556 1/2” x 7 5/8” x 2”In - 5/8” Out - 5/8”Navistar Loadstar 437641C1

Thickness

Width

Length

Listed in ascending order by part number; specifications are listed by Width x Length x Thickness (continued).

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68806” x 9 3/4” x 2”In - 5/8” Out - 3/4”Ford L Series D9HZ-18476A

68687 1/2” x 8 1/2” x 2”In - 5/8” Out - 3/4” (swivel fittings)GMC/TopKick/Kodiak 3091316; 52467018

68737 1/2” x 9 1/2” x 2”In - 5/8” Out - 3/4”Che/ GMC P30 3037531

68746” x 7 3/4” x 2”In - 5/8” Out - 5/8”Ford F150/350 C6OZ-18476A

68777 3/4” x 9 3/4” x 2”In - 5/8” Out - 3/4”Navistar various series 474030C2

68706” x 7 3/4”x 2”In - 5/8” Out - 5/8” (swivel fittings)Ford E27H-18476AA, E3TZ-18TZ-18476A

68637 1/4” x 7 3/4” x 2”In - 3/4” Out - 3/4”Ford Aerostar E69H-18476BA

68576 1/4” x 9 1/2” x 2”In - 5/8” Out - 3/4”Che/GMC P30 3037531

68596” x 9 5/8” x 2”In - 5/8” Out - 5/8”Ford L Series E3HZ-18476A (Copper/Brass)E0HT-18476BA

Listed in ascending order by part number; specifications are listed by Width x Length x Thickness (continued).

68839 5/32” x 9 3/32” x 1 7/8”In - 5/8” Out - 3/4”Navistar 4000/9000 Series 169995C1

68867 7/8” x 8” x 2”In - 5/8” Out - 5/8”Clip type tube (use o’rings #0028)Kenworth OE# 108263

68878” x 8 7/8” x 1 7/8”In - 5/8” Out - 3/4”Navistar 2000/8000 Series 1696843C1

68906” x 18 1/2” x 2”In - 5/8” Out - 5/8”Peterbilt 108206, MC1165

o’ring/clipsee page 456

Thickness

Width

Length68936” x 16” x 2 1/2”In - 5/8” Out - 5/8”Peterbilt 108201, MC1130

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HEATER CORESListed in ascending order by part number; specifications are listed by Width x Length x Thickness (continued).

68978” x 18 11/16” x 1 7/8”In - 5/8” Out - 5/8”Peterbilt 108289, MC1365

689810” x 7 11/16” x 1 7/8”In - 5/8” Out - 5/8”Volvo w/Berg 108281, MC1370; 3947414

689910” x 10 23/32” 1 7/8”In - 5/8” Out - 5/8”Volvo w/Bergstrom 108220; 1118387

69107 11/16” x 7 1/8” x 21/8”In - 3/4” Out - 9/16” (swivel fittings)Ford E150/350 F7UZ-18476A;F7UH-18476AA (aluminum)

69046 1/2” x 12 1/4” x 1 7/8”In - 3/4” Out - 3/4”Freightliner FL Series ABPN 83 315025

69028” x 9” x 2 1/2”In - 5/8” Out - 5/8”Western Star 4800-4900 RD10460-1

69038” x 17 1/2” x 1 7/8”In - 5/8” Out - 5/8”Freightliner FL Series 315060; BOA85-200-71-009

691510” x 10” x 2 1/2”In - 3/4” Out - 3/4”Freightliner C112, C120 ABP N83 315010

692615” x 7 3/8” x 1 1/2” (flange)Volvo VN (Behr-Main Unit) 3946674

69288” x 8” x 1 3/4”In - 3/4” Out - 3/4”Peterbilt, Main cab, 94-2001 Conv.OE# B20011S

691610” x 7-7/16” x 3-1/8”In: 5/8” / Out: 5/8” Peterbilt 387 OE# 108293

6930BunkPeterbilt OE# 108322

69317” x 8 1/2” x 2 1/2”In - 5/8” Out - 5/8”Mack w/Red Dot R8520-2; RD10958-0

69357” x 7 3/4” x 2” In - 3/4” Out - 3/4”Ford L-Series F1HZ18476B

Thickness

Width

Length

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694610” x 6” x 2 1/2”In - 5/8” Out - 5/8”Mack CX 7787-869223

Listed in ascending order by part number; specifications are listed by Width x Length x Thickness (continued).

69366” x 6 3/8” x 1 5/8”In - 5/8” Out - 5/8” Freightliner w/Behr BOA93675

6941A11 1/8” x 7 1/8” x 1 5/8” (pad connection, with cover) uses #0114 o’ringsFreightliner M2 Bus. Class VCC31000005

69428 3/4” x 9 1/2” x 1 1/2” In - 3/4” Out - 3/4” Freightliner HM9104001

69437 11/16” x 7 1/8” x 2 1/8”In - 9/16” Out - 9/16”99-03 Ford F250-F550HD, SDF81Z-18476AA (aluminum) (swivel fittings)

69477 11/16” x 7 1/8” x 2 1/8”In - 3/4” Out - 3/4”Ford Aeromax F7HZ-18476AA; F7HH18476AA (aluminum) (swivel fittings)Supplied with Retro-Kit

694812 3/8” x 7 3/8” x 1 1/2”In - 3/4” Out - 3/4”Navistar O.E.# BOA85-471-77-009, 3542604-C2 (aluminum/plastic)

69496 5/8” x 6” x 1 5/8”In - 3/8” Out - 3/8”Freightliner, Chrys Sprinter2003-06 2.7TD (aluminum/plastic)

69506 5/8” x 14 1/8” x 1 1/4”Bead connections (aluminum) Freightliner, Chrys Sprinter 2007-08

69517 1/8” x 11” x 1 5/8”In - 5/8” Out - 5/8”Heater Core Kit (aluminum/plastic) Frghtlnr, 2008 Cascadia VCCT1000899G

695211” x 7 1/8” x 1 5/8” (PAD T&F)In - 5/8” Out - 3/4” (uses #0114 o’rings) 2009 Freightliner M2, OE# VCCT1001837R

69534” x 19 1/8” x 1 7/8”RD R9750 Units (10-9735 / 10-9736)

69556” x 13 1/2” x 1 7/8”In - 5/8” Out - 5/8”RD R8545 Units (10-9743 / 10-9744)

69544” x 10 3/4” x 1 7/8”In/Out - #8 Male Insert O-ringRD R2020 Heater(10-9868)

695611” x 10 5/64” x 2 3/4”WesternStar 2004-07 Constellation/Heritage

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69627-1/4” x 8-1/4” x 1”In: 3/4” / Out: 3/4” (swivel fittings)GMC C/K 10-35 Series (regular cabs)OE# 89018297

69648 7/8” x 9 7/8” x 2 1/2”In: 5/8” / Out: 5/8” (tube & fin)Peterbilt, Main unit 330 thru 389OE# 3X011018, 3X010005

696510” x 9 1/8” x 2 1/2”In: 5/8” / Out: 3/4” (tube & fin)International NavistarOE# BSM710082, 2593489-C1, 2594124-C1

Listed in ascending order by part number; specifications are listed by Width x Length x Thickness (continued).

69579” x 13” x 1 7/8”In - 5/8” Out - 5/8”Fits PROAIR Underseat Heater

69587 1/8” x 8 1/4” x 1 5/16” (aluminum) In - 5/8” Out - 3/4” (swivel fittings)Express/Savana Topkick/Kodiaic

69597 1/2” x 15” x 1 3/8”Alum/PL spec’l conn.Volvo VN 2004-09 85104947, BOAA4283

696010 3/8” x 6” x 1 5/8”In - 3/4” Out - 3/4” PAD T&FNavistar ProStar Aux ACOE# 3599598-C1

69637-1/2” x 10-3/8” x 1-1/2” (flange connections)Mack OE# 3543-K0762

696611-7/8” x 7” x 1-3/4”International Navistar OE# 2602575-C91

69677-1/2” x 15” x 1-3/8” Aluminum, Female bead connectionsVolvo VN 85120277

696810” x 9” x 2-3/4”In: 3/4” / Out: 5/8” International OE# 2612565-C1

69708-5/8” x 10” x 1-1/4”Aluminum, In: 5/8” / Out: 5/8”PACCAR (Main) OE# W2046001

696910” x 23-11/32” x 3-15/32”Copper, BrassIC Bus OE# 2585989-C1

69717-1/8” x 7-1/4” x 2”Aluminum, In/Out: 3/4” Ford, E Series: 150-450SDOE# 4C2Z-18476AA

6972Ford TransitOE# CK4Z-18476A