Top 9 Filler Neck with Cap – Automotive Replacement Fuel Tank Caps

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1. PTNHZ

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PTNHZ 2"/50.8mm Aluminum Alloy Weld Billet On Filler Neck Cap Oil Fuel Water Tank Black

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PTNHZ #ad - Scalloped design, making them the perfect complement to any engine bay. A clear anodized finish adds shine and durability. Cap size: 1" /25. 4mm, 2"/508mm, 2. 5"/63. 5mm. Please buy according to your needs and the size in the picture. Overflow coolant tank caps are designed to fit OEM coolant tanks with a threaded fill neck. Complete replacement caps are machined from billet aluminum, with a polished surface comes with pressure cap. Coolant reservoir cap is a great way to give your engine a custom look.
BrandPTNHZ #ad
ManufacturerPTNHZ #ad
Part NumberUS-DDRC0

2. Suuonee

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Aluminum Alloy Weld On Oil Tank Filler Neck with Cap 1.5'' 1 1/2'' OD for Fuel Tanks, Filler Neck with Cap

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Suuonee #ad - Fitment: suitable for collecting oil tanks, water tanks, dry fuel tanks, fuel tanks, etc. Service guarantee: if you have any question or any unsatisfactory about the product, you can contact our customer service at any time, our team will response you in 24 hours. High quality: filler neck with cap is made of high quality aerospace aluminum with good strength and weldability. Design: smooth finished design, durable and durable. High performance: compliant with aviation hose coupling requirements, precision machine tool tolerances, with O-rings and natural aluminum screws on the cap.
BrandSuuonee #ad
ManufacturerSuuonee #ad
Height3.94 Inches
Length3.94 Inches
Width3.94 Inches
Part NumberSuuoneemf5g6a0v3q

3. Spectra Premium

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Spectra Premium FN724 Fuel Tank Filler Neck

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Spectra Premium #ad - Dual coated for enhanced corrosion protection. Unit is designed to Original Equipment OE fit, form and function requirements. Fit tested on vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed. Tested with original equipment OE fuel cap to prevent EVAP and check engine light failure. Unit is leak tested after production to ensure product in free from fuel and/or evaporative leaks.
BrandSpectra Premium #ad
ManufacturerSpectra Premium #ad
Height10 Inches
Length13.25 Inches
Weight0.5 Pounds
Width6.75 Inches
Part NumberFN724
ModelFN724
Warranty1 Year

4. Qiilu

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Qiilu 2in Weld On Filler Cap Aluminum Alloy Weld On Filler Neck and Cap 2" Weld On Fuel Filler Neck with Cap Fuel Tank Parts Car RefittingBlack

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Qiilu #ad - Please rest assured to buy our products, hope you have a pleasant shopping experience. Every fuel filler neck must go through strict inspection to ensure reliable quality. 100% brand new, please be assured of your purchase. Precision‑machined to exact tolerances for trouble‑free performance.

2" weld on filler cap - this fuel filler neck and cap is suitable for welding on 2 inch inner diameter pipe interface. Size - the cap diameter is about 58mm / 06in, overall height is about 81mm / 2. 3in, bore is about 47mm/1. 85in, cap height is about 15. 5mm / 3. 2in, neck outer diameter is 2in, neck thread and cap thread are M52x2. 5. Professional manufacturing - the aluminum weld on filler cap has excellent mechanical stability and corrosion resistance for high reliability.

Quality assurance - as a professional seller, we provide high quality products and considerate services. Superior quality aluminum alloy - the weld on fuel filler neck with cap is made of high‑quality aluminum alloy material, anti‑rust, firm, and durable in use. The weld on fuel tank filler neck and cap is easy to install, no need complicated tools, convenient and practical for using.
BrandQiilu #ad
ManufacturerQiilu #ad
Height0 Inches
Length0 Inches
Weight0.23 Pounds
Width0 Inches
Part NumberQiiluc6vd1f479o-11

5. Aramox

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2in Aluminum Alloy Weld On Filler Neck and Cap Fuel Tank Parts Car Refitting. Black, Filler Neck Cap

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Aramox #ad - Easy installation: the welded fuel tank cover is easy to install, is very convenient and practical, does not require complicated tools, and brings you great convenience. Stable performance: the welded fuel tank cap is produced by a professional factory, stable performance, with fine workmanship, high reliability, and excellent mechanical stability.

High-quality material: the welded fuel tank cover is made of high-quality aluminum alloy material, rust resistance, wear resistance, which has good strength and durability, sturdiness and durability, resistance, and long service life. Product function: the welded fuel tank cap is accurately machined to precise tolerances to achieve trouble-free performance and improve your car's driving performance.

Suitable for: this product is a 100% brand new high quality welded fuel tank cap. The fuel tank cap is suitable for welding on a 2-inch inner diameter pipe joint, and is suitable for various vehicles with a 2-inch inner diameter. After strict quality inspection, the quality is reliable. Please confirm whether the product is compatible before placing an order.
BrandAramox #ad
ManufacturerAramox #ad
Height0 Inches
Length0 Inches
Weight0.23 Pounds
Width0 Inches
Part NumberAramoxb4czf7tys2-11

6. Speedway Motors

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Aircraft-Style Flush-Mount Fuel Fill Filler Neck and Cap

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Speedway Motors #ad - Polyethylene cap is vented. Includes cap, fuel filler neck, gasket, chain, and all hardware. Hole in tank needs to be 3-3/4" for cap to sit flush. Cap features a positive seal, flip-up 1/4-turn handle, and a chain to secure it to the gas filler neck. Offers excellent aerodynamic performance, large fill opening and attractive appearance.
BrandSpeedway Motors #ad
ManufacturerSpeedway Motors #ad
Height2 Inches
Length5 Inches
Weight1 Pounds
Width5 Inches
Part Number91076510

7. SpeedyMoto

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Oil Fuel Water Tank Reservoir Cap Aluminium Alloy Weld On Filler Neck 1"/1.5"/2"/2.5" 2.5"

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SpeedyMoto #ad - Overflow coolant tank caps are designed to fit OEM coolant tanks with a threaded fill neck. Cap material: 6061-T6 Aluminum alloy. Scalloped design, making them the perfect complement to any engine bay. Complete replacement caps are machined from billet aluminum, with a polished surface comes with pressure cap. Coolant reservoir cap is a great way to give your engine a custom look. A clear anodized finish adds shine and durability. A clear anodized finish adds shine and durability. Part type: coolant reservoir Caps.
BrandSpeedyMoto #ad
ManufacturerIspeedy #ad
Part NumberWC

8. Spectra Premium

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Spectra Premium FN1035 Fuel Tank Filler Neck

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Spectra Premium #ad - Unit is designed to original equipment OE fit, form and function requirements accomplished by leveraging Spectra Premium OE fuel system design expertise. Unit is dual coated for enhanced corrosion protection. Unit is leak tested after production to ensure product in free from fuel and / or evaporative leaks. Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed. Tested with oe fuel cap to prevent evaporative emission and check engine light failure.
BrandSpectra Premium #ad
ManufacturerSpectra Premium #ad
Height14.25 Inches
Length39.25 Inches
Weight3.84 Pounds
Width7.38 Inches
Part NumberFN1035
ModelFN1035
Warranty1 Year

9. Speedway Motors

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Steel Gas/Oil Tank Filler Neck with Twist-On Vented Cap

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Speedway Motors #ad - If you are looking for a basic filler neck and cap for your custom build or repair then this kit is for you. Cap is 2-3/4" diameter making it large enough to use as a fuel filler. Features a vented cap which vents to the underside to release pressure buildup. 2-1/4" od steel neck is easily welded to steel tanks. Cap is zinc plated to resists corrosion.
BrandSpeedway Motors #ad
ManufacturerSpeedway Motors #ad
Height1.5 Inches
Length2.5 Inches
Width2.5 Inches
Part Number6175020