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Hitachi 5402506 - Ignition Kit
Product Overview
The Hitachi 5402506 Ignition Kit is designed to provide a comprehensive solution for your vehicle's ignition system maintenance and repair. This all-in-one kit includes high-quality components that ensure reliable performance and exceptional fitment. Each part is crafted to meet OE specifications, guaranteeing precision and durability. By choosing this kit, you save time and effort while ensuring a complete and effective repair of your ignition system. Trust the Hitachi 5402506 kit for dependable performance and peace of mind on the road.
Kit Contents
- 1 x Hitachi Ignition Coil – superior electrical performance for reliable ignition
- 1 x Hitachi Ignition Module – optimized for precise timing and voltage control
- 1 x Hitachi Spark Plug – designed for efficient combustion and longevity
Choose Hitachi 5402506 kit for dependable performance, OE-level quality, and a complete repair solution every time you service your vehicle.
Cross Reference Numbers
This Hitachi 5402506 kit is equivalent to or replaces the following part numbers: 5402506Kit, DR39, 48780, 10472401, GN10123, 19353734
Vehicle Compatibility
- Cadillac (1995-1997) DeVille 4.6 V8
- Cadillac (1995-1997) Eldorado 4.6 V8
- Cadillac (1995-1997) Seville 4.6 V8
This kit also fits other applications. Please use the vehicle selector tool to verify compatibility before purchase.
Why Choose Newparts.com
- Trusted by DIYers and pros for over 15 years
- Over 20 million auto parts shipped
- Top brands at the best prices online
- Exclusive Kits That Fit™ – complete repair solutions with no guesswork
- Fast, reliable shipping from our U.S. warehouses
Frequently Asked Questions
What’s included in the Hitachi 5402506 kit?
The Hitachi 5402506 Ignition Kit includes an ignition coil, ignition module, and spark plug, all designed to work together for optimal ignition system performance.
Is the Hitachi 5402506 kit easy to install?
Yes, the Hitachi 5402506 kit is designed for straightforward installation, ensuring compatibility with your vehicle's ignition system for a hassle-free repair process.
Why should I choose the Hitachi 5402506 kit over individual parts?
Choosing the complete Hitachi 5402506 kit ensures that all components are perfectly matched for performance and reliability, offering better value than purchasing individual parts separately.
Are there any diagnostic trouble codes associated with the ignition system?
Common DTCs that may arise from ignition system issues include P0300, P0301, P0302, P0303, and P0304, indicating misfires that could be resolved with the Hitachi 5402506 kit.
Order Hitachi 5402506 kit today for a complete, factory-correct solution that restores performance and reliability.
- BrandHitachi
- ManufacturerHitachi
- MPN5402506-Kit
- FeaturesCalifornia Proposition 65 : (Ignition Coils) WARNING Cancer. ADVERTENCIA C?ncer. AVERTISSEMENT Cancer. www.P65Warnings.ca.gov
California Proposition 65 Image : (Ignition Coils) Prop65_cancer.jpg
California Proposition 65 Required : (Ignition Coils) Y
Center Electrode Core Material : (Spark Plugs) Copper
Center Electrode Tip Material : (Spark Plugs) Iridium
Distributor Coil End Terminal Type : (Spark Plug Wire Set) Female
Ground Configuration : (Spark Plugs) Standard
Ground Electrode Core Material : (Spark Plugs) Nickel
Ground Electrode Quantity : (Spark Plugs) 1
Ground Electrode Tip Design : (Spark Plugs) Tapercut| U-Groove
Hex Size : (Spark Plugs) 16.0
Insulation Outside Diameter : (Spark Plug Wire Set) 7.00
Manufacturer : (Ignition Coils) Hitachi
Manufacturer Heat Range : (Spark Plugs) 16
Mounting Position : (Ignition Coils) N/A Needs Distributor
Pre-Gap Size : (Spark Plugs) 1.1
Reach : (Spark Plugs) 18.00
Resistance : (Spark Plugs) 5000.0
Seat Type : (Spark Plugs) Tapered
Spark Plug Boot Material : (Spark Plug Wire Set) Silicone
Spark Plug End Boot Quantity Angled : (Spark Plug Wire Set) 8
Spark Plug End Terminal Type : (Spark Plug Wire Set) FEMALE
Terminal Gender : (Ignition Coils) Female
Terminal Quantity : (Ignition Coils) 2
Terminal Type : (Ignition Coils) Blade
Voltage : (Ignition Coils) 12.0 - Cross Reference Numbers5402506Kit, DR39, 48780, 10472401, GN10123, 19353734
- Part TypeIgnition Kit
- Kit Content1 x Denso - (671-8050) Spark Plug Wire Set - 7 mm
4 x Hitachi - (IGC0102) Ignition Coils
8 x Denso - (5325) Spark Plugs - Iridium Power
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1995 | Cadillac | DeVille | Concours (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: LD8, VIN: Y, Valves: 32, Notes: Gap 0.044 (Spark Plugs Note) |
| 1995 | Cadillac | Eldorado | Base (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: LD8, VIN: Y, Valves: 32, Notes: Gap 0.044 (Spark Plugs Note) |
| 1995 | Cadillac | Eldorado | ETC (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: L37, VIN: 9, Valves: 32, Notes: Gap 0.044 (Spark Plugs Note) |
| 1995 | Cadillac | Seville | SLS (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: LD8, VIN: Y, Valves: 32, Notes: Gap 0.044 (Spark Plugs Note) |
| 1995 | Cadillac | Seville | STS (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: L37, VIN: 9, Valves: 32, Notes: Gap 0.044 (Spark Plugs Note) |
| 1996 | Cadillac | DeVille | Base (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: LD8, VIN: Y, Valves: 32, Notes: Gap 0.044 (Spark Plugs Note) |
| 1996 | Cadillac | DeVille | Concours (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: LD8, Engine: L37, VIN: Y, VIN: 9, Valves: 32, Notes: Gap 0.044 (Spark Plugs Note) |
| 1996 | Cadillac | DeVille | d'Elegance (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: LD8, VIN: Y, Valves: 32, Notes: Gap 0.044 (Spark Plugs Note) |
| 1996 | Cadillac | Eldorado | Base (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: LD8, VIN: Y, Valves: 32, Notes: Gap 0.044 (Spark Plugs Note) |
| 1996 | Cadillac | Eldorado | ETC (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: L37, VIN: 9, Valves: 32, Notes: Gap 0.044 (Spark Plugs Note) |
| 1996 | Cadillac | Seville | SLS (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: LD8, VIN: Y, Valves: 32, Notes: Gap 0.044 (Spark Plugs Note) |
| 1996 | Cadillac | Seville | STS (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: L37, VIN: 9, Valves: 32, Notes: Gap 0.044 (Spark Plugs Note) |
| 1997 | Cadillac | DeVille | Base (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: LD8, VIN: Y, Valves: 32, Notes: Gap 0.044 (Spark Plugs Note) |
| 1997 | Cadillac | DeVille | Concours (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: L37, VIN: 9, Valves: 32, Notes: Gap 0.044 (Spark Plugs Note) |
| 1997 | Cadillac | DeVille | d'Elegance (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: LD8, VIN: Y, Valves: 32, Notes: Gap 0.044 (Spark Plugs Note) |
| 1997 | Cadillac | Eldorado | Base (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: LD8, VIN: Y, Valves: 32, Notes: Gap 0.044 (Spark Plugs Note) |
| 1997 | Cadillac | Eldorado | ETC (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: L37, VIN: 9, Valves: 32, Notes: Gap 0.044 (Spark Plugs Note) |
| 1997 | Cadillac | Seville | SLS (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: LD8, VIN: Y, Valves: 32, Notes: Gap 0.044 (Spark Plugs Note) |
| 1997 | Cadillac | Seville | STS (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: L37, VIN: 9, Valves: 32, Notes: Gap 0.044 (Spark Plugs Note) |
Warranty Overview
At Newparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.
Standard Warranty – Most Parts
Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.
Protection: Defects in materials or workmanship under normal personal use.
Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.
Exclusions:
Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)
Commercial, fleet, rideshare, off-road, or racing use
Improper installation, misuse, accidents, or modifications
Not Covered: Labor, shipping, towing, or incidental costs.
Bison Performance Warranty – Our House Brand
Coverage: Limited Lifetime Warranty for as long as you own your vehicle.
Applies To: All products sold under the Bison Performance label.
Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.
Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).
What’s Included: Replacement of the defective product (labor and shipping excluded).
Warranty Claim Requirements
To keep claims fast and fair, we require:
Proof of purchase (invoice or order confirmation).
Photos or videos showing the defective part, order number, date, VIN, and odometer reading.
Diagnostic reports or part returns for non-visible issues may be requested.
Claims must be truthful, properly documented, and reflect normal consumer use.
Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.
For full details and exclusions, please see our complete Warranty Terms & Conditions.
This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.
Return Policy Overview
Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
To start a return, use our Return Portal or contact support.
Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)
Refunds: Issued to your original payment method within 3–5 business days after inspection
Exchanges: Not automatic — please return and reorder
Replacements: May be approved for incorrect or defective items reported within 7 days
Not returnable:
Used or installed parts
Electrical components
Opened filter kits, gaskets, or contaminated items
Final sale or custom orders
Important Notes:
Return shipping is your responsibility unless we made a verified error
Fitment is the customer’s responsibility (we can assist, but do not guarantee)
Country of origin may vary and is not grounds for return
For complete details, please see our full Return Policy.
This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.
Fast, Reliable Shipping — Straight to Your Door
We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.
We use trusted carriers like UPS, FedEx, and USPS.
Tracking info is emailed to you as soon as your order ships.
Delivery estimates at checkout are based on carrier data, but not guaranteed.
Need help with a shipment?
If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.
For full details, please see our complete Shipping Policy.
This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.





