1999-2004 Ford Mustang Underhood Styling

When you go to car shows, you probably notice something when those first-place cars show off their engines. It's that each and every one of those Mustangs have great Underhood Styling. We've got it all - valve and plenum covers, eye-catching caps for your brake and transmission fluid, oil and more! Get your Underhood Styling items at AmericanMuscle; before or after you beef up on your performance with a Mustang Throttle Body.
Jump To:Engine Accessories || Valve Covers || Radiator Covers || Fender Covers || Hood Strut & Prop
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Chrome Mustang Underhood Dress-up Kit (96-04 GT) SAVE $18 -  KIT ||1431||1443||5035||5037||5036 Chrome Mustang Underhood Dress-up Kit (95-04 V6) - SAVE $18 -  KIT||1431||1443||5035||5037 Ford Racing Billet Oil Cap Cover (4.6/5.4) - Ford Racing M-6766-MP46 Roush Billet Mustang Oil Cap Cover (1986+) - Roush Performance 401956
Chrome Mustang Underhood Dress-up Kit (96-04 GT) SAVE $18
Our price: $114.99
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 Chrome Mustang Underhood Dress-up Kit (95-04 V6) - SAVE $18
Our price: $109.99
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 Ford Racing Billet Oil Cap Cover (4.6/5.4)
Our price: $49.99
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 Roush Billet Mustang Oil Cap Cover (1986+)
Our price: $29.99
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Billet Mustang Oil Cap (87-04) -  2156659 Polished Mustang Billet Aluminum Fuse Box Cover (98-04) -  5066 Mustang Chrome Breather Oil Cap - Push In Mustang Chrome Breather Oil Cap w/ PCV - Push In -  2063
Billet Mustang Oil Cap (87-04)
Our price: $29.99
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 Polished Mustang Billet Aluminum Fuse Box Cover (98-04)
Our price: $49.99
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 Mustang Chrome Breather Oil Cap - Push In
Our price: $9.99
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 Mustang Chrome Breather Oil Cap w/ PCV - Push In
Our price: $9.99
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Chrome Power Steering Cap Cover (96-10 V8) Chrome Factory Oil Cap Cover (1986+) Chrome Radiator Cap Cover (96-04 V8) Chrome Windshield Washer Reservoir Cap Cover (98-07)
Chrome Power Steering Cap Cover (96-10 V8)
Our price: $26.99
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 Chrome Factory Oil Cap Cover (1986+)
Our price: $22.99
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 Chrome Radiator Cap Cover (96-04 V8)
Our price: $27.99
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 Chrome Windshield Washer Reservoir Cap Cover (98-07)
Our price: $24.99
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Chrome Oil Cap Cover (4.6 Logo) Chrome Mustang EGR Valve Cover (99-04) -  5061 Chrome Mustang Master Cylinder Pump Cover (96-04) -  5040 Chrome Power Steering Reservoir Tube Cover (86-93 5.0L & 94-02 V6)
Chrome Oil Cap Cover (4.6 Logo)
Our price: $29.99
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 Chrome Mustang EGR Valve Cover (99-04)
Our price: $29.99
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 Chrome Mustang Master Cylinder Pump Cover (96-04)
Our price: $39.99
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 Chrome Power Steering Reservoir Tube Cover (86-93 5.0L & 94-02 V6)
Our price: $39.99
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Steeda Battery Relocation Kit - Steeda 555-3800 Chrome Strut Tower Cover Set (84-04) Chrome Strut Tower Nut Cap Cover Set (94-04) Chrome Brake Reservoir Cap Cover (87-04 V8 & 95-04 V6)
Steeda Battery Relocation Kit
Our price: $229.95
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 Chrome Strut Tower Cover Set (84-04)
Our price: $29.99
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 Chrome Strut Tower Nut Cap Cover Set (94-04)
Our price: $49.99
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 Chrome Brake Reservoir Cap Cover (87-04 V8 & 95-04 V6)
Our price: $24.99
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Polished Mustang Mass Air Sensor Cover (89-04) -  5140 Ford Racing Billet DOHC Coil Covers (99-04 4.6/5.4) - Ford Racing M-6067-A
Polished Mustang Mass Air Sensor Cover (89-04)
Our price: $19.99
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 Ford Racing Billet DOHC Coil Covers (99-04 4.6/5.4)
Our price: $269.99
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BBK Performance Aluminum Valve Covers - Silver (3.8L V6) - BBK Performance 1801 BBK Performance Aluminum Valve Covers - Chrome (3.8L V6) - BBK Performance 18010 BBK Performance Aluminum Valve Covers, 11 Bolt, Driver Side Oil Fill - Silver (4.6L 2V) - BBK Performance 1802 BBK Performance Aluminum Valve Covers, 11 Bolt, Driver Side Oil Fill - Chrome (4.6L 2V) - BBK Performance 18020
BBK Performance Aluminum Valve Covers - Silver (3.8L V6)
Our price: $199.99
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 BBK Performance Aluminum Valve Covers - Chrome (3.8L V6)
Our price: $319.99
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 BBK Performance Aluminum Valve Covers, 11 Bolt, Driver Side Oil Fill - Silver (4.6L 2V)
Our price: $264.99
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 BBK Performance Aluminum Valve Covers, 11 Bolt, Driver Side Oil Fill - Chrome (4.6L 2V)
Our price: $384.99
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BBK Performance Aluminum Valve Covers, 11 Bolt, Passenger Side Oil Fill - Silver (4.6L 2V) - BBK Performance 1803 BBK Performance Aluminum Valve Covers, 11 Bolt, Passenger Side Oil Fill - Chrome (4.6L 2V) - BBK Performance 18030 BBK Performance Aluminum Valve Covers, 13/14 Bolt Pattern - Silver (4.6L 2V) - BBK Performance 1804 BBK Performance Aluminum Valve Covers - Silver (5.0L/5.8L) - BBK Performance 1805
BBK Performance Aluminum Valve Covers, 11 Bolt, Passenger Side Oil Fill - Silver (4.6L 2V)
Our price: $264.99
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 BBK Performance Aluminum Valve Covers, 11 Bolt, Passenger Side Oil Fill - Chrome (4.6L 2V)
Our price: $384.99
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 BBK Performance Aluminum Valve Covers, 13/14 Bolt Pattern - Silver (4.6L 2V)
On Sale: $249.99
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 BBK Performance Aluminum Valve Covers - Silver (5.0L/5.8L)
Our price: $199.99
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BBK Performance Aluminum Valve Covers - Chrome (5.0L/5.8L) - BBK Performance 18050 Moroso Mustang Fabricated Aluminum Valve Covers - 11 Bolt (4.6L/5.4L) - Moroso 68389
BBK Performance Aluminum Valve Covers - Chrome (5.0L/5.8L)
Our price: $319.99
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 Moroso Mustang Fabricated Aluminum Valve Covers - 11 Bolt (4.6L/5.4L)
Our price: $499.99
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Steeda Brushed Stainless Steel Radiator Cover (99-04 GT & 99, 01 Cobra) - Steeda 555-0616 Steeda Polished Stainless Steel Radiator Cover (99-04 GT & 99, 01 Cobra) - Steeda 555-0615  
Steeda Brushed Stainless Steel Radiator Cover (99-04 GT & 99, 01 Cobra)
Our price: $99.95
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 Steeda Polished Stainless Steel Radiator Cover (99-04 GT & 99, 01 Cobra)
Our price: $129.95
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Fender Gripper w/ Cobra Logo - Fender Gripper 15201 Fender Gripper w/ Running Pony Logo - Fender Gripper 15200 Fender Gripper w/ Mustang GT Logo  - Fender Gripper 15221 Ford Racing Fender Cover - Ford Racing M-1822-A2
Fender Gripper w/ Cobra Logo
Our price: $24.99
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 Fender Gripper w/ Running Pony Logo
Our price: $24.99
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 Fender Gripper w/ Mustang GT Logo
Our price: $24.99
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 Ford Racing Fender Cover
Our price: $24.99
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Mustang Fender Cover -  ACC-300 Fender Gripper Trunk Mat w/ Running Pony (94-04 Convertible) Fender Gripper Trunk Mat w/ Running Pony (94-04 Coupe) Fender Gripper Trunk Mat w/ Cobra (94-04 Convertible) - Fender Gripper TM94-04MUCVCS
Mustang Fender Cover
Our price: $27.99
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 Fender Gripper Trunk Mat w/ Running Pony (94-04 Convertible)
Our price: $49.99
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 Fender Gripper Trunk Mat w/ Running Pony (94-04 Coupe)
Our price: $49.99
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 Fender Gripper Trunk Mat w/ Cobra (94-04 Convertible)
Our price: $49.99
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Fender Gripper Trunk Mat w/ Cobra (94-04 Coupe) - Fender Gripper TM94-04MUCPCS
Fender Gripper Trunk Mat w/ Cobra (94-04 Coupe)
Our price: $49.99
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Redline Tuning Quicklift Mustang Hood Struts (99-04) - Redline Tuning QL-FORD-MUS-9904 Redline Tuning Quicklift Elite Mustang Hood Struts (99-04) - Redline Tuning QL-FORD-MUS-9904-ELITE  
Redline Tuning Quicklift Mustang Hood Struts (99-04)
Our price: $69.99
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 Redline Tuning Quicklift Elite Mustang Hood Struts (99-04)
Our price: $119.99
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