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2004 PETERBILT 379 Bully Dog Parts and Accessories

Individual Parts

Part Groups

Results 1 - 16 of 16

Bully Dog Heavy-Duty WatchDog Diesel Tuners 46501

Computer Programmer, Heavy-Duty WatchDog, Diesel, Each

Part Number: BLY-46501

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Bully Dog Heavy-Duty GT Diesel Tuners 46500

Computer Programmer, Heavy Duty GT Diesel Tuner, Each

Part Number: BLY-46500

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Bully Dog ECM Diesel Tuners 46511

Computer Programmer, ECM Tuner, Diesel, Each

Part Number: BLY-46511

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Bully Dog ECM Diesel Tuners 46521

Computer Programmer, ECM Tuner, Diesel, Each

Part Number: BLY-46521

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Bully Dog Exhaust Manifolds 85207

Exhaust Manifold, Ceramic Coated, Caterpillar C-11 Engine, Each

Part Number: BLY-85207

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Bully Dog Exhaust Manifolds 85102

Exhaust Manifold, Ceramic Coated, Cummins ISX Engine, Each

Part Number: BLY-85102

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Bully Dog Heavy-Duty Intake Manifolds 85130

Intake Manifold, Cummins, ISX CM870, Each

Part Number: BLY-85130

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Bully Dog Heavy-Duty Turbo Gaskets 85250-1

Turbocharger Gaskets, Heavy-Duty, Turbine Inlet, Caterpillar 3406E, Each

Part Number: BLY-85250-1

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Bully Dog Heavy-Duty Turbo Gaskets 85152

Turbocharger Gaskets, Heavy-Duty, Turbine Inlet, Cummins ISX, Each

Part Number: BLY-85152

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Bully Dog Exhaust Manifold Gaskets 85154

Exhaust Gaskets, Manifold, Graphite with Stainless Steel Ring, Round Port, Cummins, Kit

Part Number: BLY-85154

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Bully Dog Exhaust Manifold Gaskets 85151

Exhaust Gaskets, Manifold, Graphite with Stainless Steel Ring, Round Port, Cummins, Kit

Part Number: BLY-85151

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Bully Dog Air Inlet Elbows 86200

Air Inlet Elbow, Aluminum, Natural, 90 Degree, Caterpillar, C15 Engines, Kit

Part Number: BLY-86200

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Bully Dog Exhaust Manifold Gaskets 85251

Exhaust Gaskets, Manifold, Graphite with Stainless Steel Ring, Round Port, Caterpillar, Kit

Part Number: BLY-85251

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Bully Dog Exhaust Manifold Gaskets 85250

Exhaust Gaskets, Manifold, Graphite with Stainless Steel Ring, Round Port, Caterpillar, Kit

Part Number: BLY-85250

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Bully Dog Exhaust Manifold Spacers 85112

Manifold Spacers, Exhaust, Cummins, Diesel, Set of 12

Part Number: BLY-85112

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Bully Dog Exhaust Manifold Gaskets 85150

Exhaust Gaskets, Manifold, Graphite with Stainless Steel Ring, Round Port, Cummins, Kit

Part Number: BLY-85150

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

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