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Thermactor Emission Control System fit your 1988 Ford F-250 8 Cyl 7.5L 4-Speed Manual Transmission
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1988 Ford F-250
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8 Cyl 7.5L; 4-Speed Manual TransmissionVehicle Options
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Fuel System & Manifolds
- -Midship Tank-4/W/D- 133" And 155" W/B
- Emission System - Exhaust Gas - Recirculation (E.G.R.)
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- Thermactor Emission Control System
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Part No. & Part Description
Price & Qty.
Part No. &
Part Description
Part Description
- TUBE (EXHAUST GAS RECIRCULATION VALVE TO EXHAUST MANIFOLD)
-N801906-S51
Elbow 19.0 Inv Flx3/4 Ex Pipe- (AI-58)-elbow (tube to exhaust manifold) 19.0 inverted flare x 3/4 ext. pipe , STANDARD PART
- Base Number: N801906-S51
- Callout Name: 9D477
$154.00 $87.781 
$102.50 $70.111
- $154.00 $87.781
- MANIFOLD (EXHAUST)
-391729-S101
Stud- Bolt - 3/8 - 16 x 1.44 - Attach exhaust manifold to cylinder head
- Base Number: 391729-S101
- Callout Name: 9430
$53.00 $48.502 
-391732-S101
Stud- STUD - 3/8 - 16 - 16 x 3.77. Attach exhaust manifolds to cylinder head.
- Require Quantity: 4
- Package Quantity: 2
- Base Number: 391335-S101
- Callout Name: 9430
$31.00 $18.142
-391845-S101
Stud- (WW-163-J) STUD - 3/8 - 16 - 16 x 2.64. Attach exhaust manifolds to cylinder heads.
STUD - 3/8 - 16 - 16 x 2.64. Attach exhaust manifolds to cylinder head. - Base Number: 391845-S101
- Callout Name: 9430
$19.90 $11.644
-381732-S
Screw&Wash 3/8-16X2.25 Hex Hd- (BB-869-H) bolt (manifold to head) 3/8-16 x 2.2 , STANDARD PART
- Require Quantity: 4
- Package Quantity: 1
- Base Number: 381732-S
- Callout Name: 9430
$18.75 $13.731- -354135-S7
Bolt- (BB-155-A) bolt (manifold to head) 3/8-16 x 1 1/8 , STANDARD PART
- Require Quantity: 8
- Package Quantity: 1
- Base Number: 354135-S7
- Callout Name: 9430
$18.75 $13.731 
-390589-S8
Stud-5/16-18-18X2.625 Hex Shield- (WW-161-C) stud (alt. 9424) 5/16-18-18 x 2.65" hex shoulder , STANDARD PART
- Require Quantity: 4
- Package Quantity: 1
- Base Number: 390589-S8
- Callout Name: 9430
$18.75 $13.731- F4TZ-9430-A
Manifold Assy - Exhaust- over 8500 GVW , R.H. - No Thermactor Holes
- Location: Passenger Side
- Callout Name: 9430
$245.28 $176.571 
-391730-S101
Bolt- Bolt - 3/8 - 16 x 2.57 - Attach exhaust manifolds to cylinder heads
- Require Quantity: 4
- Package Quantity: 4
- Base Number: 391730-S101
- Callout Name: 9430
$12.50 $7.31
-390530-S2
Bolt-3/8-16 X 1.25 Hex Flange- (BB-416-BF)-bolt (att. manifold)-10 3/8" -16 x 1.25 hex head , STANDARD PART
(BB-416BF) BOLT - 3/8 - 16 x 1.25. Attach exhaust manifolds to cylinder heads. - Require Quantity: 10
- Package Quantity: 2
- Base Number: 390530-S2
- Callout Name: 9430
$9.66 $5.65
- -389199-S36
Stud 5/16-18-18X2.98 Shield- (WW-161-O) stud (alt. 9424) 5/16-18-18 x 2.98" hex shoulder , STANDARD PART
- Require Quantity: 2
- Package Quantity: 1
- Base Number: 389199-S36
- Callout Name: 9430
- -390358-S8
Bolt 5/16-18X1.75 He- (BB-551-DM) bolt (alt. 9424) 5/16-18 x 1 3/4" hex flange , STANDARD PART
- Require Quantity: 4
- Package Quantity: 1
- Base Number: 390358-S8
- Callout Name: 9430
-390528-S100
Stud- (WW-122-C) STUD - 3/8 - 16 - 16 x 2.42. Attach 9431 to cylinder head. Hole numbers 1 & 6.
(WW-122-C)-stud (att. manifold)- 3/8" - 16 x 2.42 hex shoulder , STANDARD PART - Require Quantity: 3
- Package Quantity: 1
- Base Number: 390528-S2
- Callout Name: 9430
- -390529-S2
Stud-3/8-16 X 2.22 H- (WW-135D) STUD - 3/8 - 16 - 16 x 2.66. Attach 9430 to cylinder head.
- Callout Name: 9430
- -390653-S8
Bolt - Flanged Hex.- (BB-551-DY) bolt (alt. 9424) 5/16-18 x 6.07" hex flange to cyl head , STANDARD PART
- Require Quantity: 2
- Package Quantity: 1
- Callout Name: 9430
- E3TZ-9430-A
Manifold Assy - Exhaust- Diesel , R.H.. #1800616-C3
- Location: Passenger Side
- Base Number: 9430
- Callout Name: 9430
- E3TZ-9431-B
Manifold Assy - Exhaust- Diesel , L.H.. #1800942-C3
- Location: Driver Side
- Base Number: 9431
- Callout Name: 9430
- E7TZ-9430-A
Exhaust Manifold Assembly- "Before 2/88" , R.H. -has thermactor holes r/b F4TZ 9430-C
- Location: Passenger Side
- Callout Name: 9430
- E8TZ-9430-A
Exhaust Manifold Assembly- R.H. -does not have thermactor air holes , U/8500# GVW
- Location: Passenger Side
- Callout Name: 9430
- E8TZ-9431-A
Exhaust Manifold Assembly- L.H. -does not have thermactor air holes , U/8500# GVW
- Location: Driver Side
- Callout Name: 9430
- F4TZ-9430-E
Manifold Assy - Exhaust- R.H. - No Thermactor Holes
- Location: Passenger Side
- Base Number: 9430
- Callout Name: 9430
- F4TZ-9431-E
Manifold Assy - Exhaust- L.H. - No Thermactor Holes
- Location: Driver Side
- Base Number: 9431
- Callout Name: 9430
- VALVE ASSY. (EXHAUST AIR SUPPLY CHECK)
$79.25 $58.001 
$48.64 $35.601- $25.84 $18.911
E7TZ-9A487-E
Valve Assy - Non Return- *CX-1207 - Mounts on 5F235 - no threads , O/8500# GVW
- Base Number: 9A487
- Callout Name: 9A487
$96.29 $70.471- F3TZ-9A487-C
Valve Assy - Non Return- *CX-1482 - 3/4 x 14 thread , O/8500# GVW
- Base Number: 9A487
- Callout Name: 9A487
$20.60 $14.831 
- E9VZ-9A487-A
Valve Assy - Non Return- 3/4-14 internal thread one end-hose nipple other end-2 3/4" long
- Base Number: 9A487
- Callout Name: 9A487
F3TZ-9A487-A
Valve Assy - Non Return- 3/4-14 external thread one end-hose nipple other end-3" long
- Base Number: 9A487
- Callout Name: 9A487
E5TZ-9J470-A
CONNECTOR (EGR EXHAUST MANIFOLD)Connector- 20.0-20.5MM thread one end, 29MM thread one end, connects 9D477 EGR tube
- Base Number: 9J470
- Callout Name: 9J470
- TUBE ASSY. (EXHAUST AIR SUPPLY)
E7TZ-9C435-A
GASKET (EXHAUST AIR SUPPLY TUBE UPPER)Gasket- Require Quantity: 2
- Package Quantity: 1
- Base Number: 9C435
- Callout Name: 9C435
$18.75 $13.731
E7TZ-9G426-B
BRACKET (EXHAUST AIR SUPPLY VALVE)Bracket - Valve- Mounted on front of engine
- Callout Name: 9G426
$3.98 $2.871
- $9.15 $6.591
- VALVE ASSY. (EXHAUST AIR SUPPLY CONTROL)
- HOSE (EXHAUST AIR SUPPLY CONTROL VALVE TO CHECK)
E5HZ-9G427-C
SILENCER (EXHAUST AIR SUPPLY REED VALVE) Also refer to group 9H467Silencer Assembly- r/b F1HZ 9G427-A
- Callout Name: 9G427
- PUMP ASSY. (EXHAUST AIR SUPPLY)
- E7TZ-9F287-A
HOSE (AIR BYPASS VALVE INLET)-also refer to group 9H300Hose - Air- #E7TE 9F287-AA - approx. 2-5/16" long x 1-1/4" & 1-1/8" OD , 302
- Callout Name: 9F287
- E7TZ-9L431-A
HOSE (EXHAUST AIR SUPPLY RELIEF VALVE)Hose Exhaust Air Supply Re Lie- Long
- Callout Name: 9L431
F3TZ-9J435-C
HOSE EXHAUST (AIR SUPPLY SILENCER INLET)Hose Assy- "From 2/88" , #E8TE 9J435-DB
- Callout Name: 9J435
Genuine Ford Parts, the Right Choice
FordPartsGiant.com offers the wholesale prices for genuine 1988 Ford F-250 parts. Parts like Thermactor Emission Control System are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 7.5L. Transmission: 4MT.