
AIR INTAKES & FILTERS
AIR INTAKES & FILTERS — 1989–1993 DODGE RAM 5.9L CUMMINS (12-VALVE)
Unlock airflow and dependable filtration on your first-gen Dodge Ram D250/D350 (1989–1993) with CPP Diesel. This section covers cold air intakes, BHAF & cone filters, pre-filter wraps, intake tubes, and service kits tailored to the VE-pump 12-valve 6BT. Quicker turbo spool, lower restriction, and better protection—built for towing, daily driving, and work use.
Shop by Subcategory
- INTAKE MANIFOLDS & BOOST TUBES (’91.5–’93) — horns, boots, tubes, hardware.
- BREATHERS & CATCH CANS — CCV upgrades to keep the intake tract cleaner.
- GAUGES & RELATED (’89–’93) — boost/EGT monitoring to verify intake changes.
Featured for 1st Gen
- CPP BHAF INTAKE KIT (’89–’93) — simple, high-flow upgrade.
- PRE-FILTER WRAPS — add a hydrophobic outerwear to extend service intervals.
- S&B FILTERS — filters, wraps, and cleaning solutions.
Why Buy from CPP Diesel
- 1st-Gen Focus: Parts vetted for 1989–1993 VE-pump 12-valve applications.
- Brands You Trust: AFE, Banks, S&B, Fleece, CPP in-house.
- Expert Support: Real diesel techs for fitment and intake sizing help.
- Fast Shipping: Popular filters and kits ship quickly from U.S. warehouses.
Browse the full 1989–1993 Cummins catalog for turbos, intercoolers, fueling, and more.
Helpful Notes
- Media choice: Dry filters are low-maintenance; oiled cotton can flow more when serviced correctly.
- Dusty use: Add a pre-filter wrap to extend cleaning intervals and protect pleats.
- 91.5–93 trucks: Intake horn/IC tube changes make manifold & tube upgrades popular on late 1st-gen models.
- Verify couplers: Match turbo inlet and tube OD before ordering.
Frequently Asked Questions
Will a cold air intake help a stock 12-valve?
Yes—reduced restriction improves turbo response and drivability, especially under load.
Dry vs. oiled filter—what should I choose?
Dry is simple and great in dust; oiled supports high flow when maintained properly. Add a pre-filter wrap if you run gravel/ag routes.
Do I need tuning after an intake on a VE-pumped 12-valve?
No tuning is required for typical intake/filter upgrades. Use boost/EGT gauges if you change fueling or turbos.
Will these intakes fit with a mild turbo upgrade?
Many do if the compressor inlet remains in the stock position—confirm coupler size and clocking.
What’s special about ’91.5–’93 trucks?
They use updated intake/IC plumbing—see INTAKE MANIFOLDS & BOOST TUBES for matched parts.
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BD DIESEL 1036730 POSITIVE AIR SHUT-OFF GENERIC 3.0IN INTAKE PIPING C/W ELECTRONICS
BD DIESEL
$976.95Like a fire extinguisher in your house, or an earthquake kit, it's always better to be prepared. Although rare, Diesel Engine Runaway is caused when external hydrocarbons are drawn into the engine and can cause overspeeding and catastrophic engine...$976.95 -
BD DIESEL 1036732 POSITIVE AIR SHUT-OFF GENERIC 3.5IN INTAKE PIPING C/W ELECTRONICS
BD DIESEL
$976.95Like a fire extinguisher in your house, or an earthquake kit, it's always better to be prepared. Although rare, Diesel Engine Runaway is caused when external hydrocarbons are drawn into the engine and can cause overspeeding and catastrophic engine...$976.95 -
BD DIESEL 1036733 POSITIVE AIR SHUT-OFF GENERIC 4.0IN INTAKE PIPING C/W ELECTRONICS
BD DIESEL
$976.95Like a fire extinguisher in your house, or an earthquake kit, it's always better to be prepared. Although rare, Diesel Engine Runaway is caused when external hydrocarbons are drawn into the engine and can cause overspeeding and catastrophic engine...$976.95