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Hitachi 5402003 - Ignition Kit
Product Overview
The Hitachi 5402003 Ignition Kit is designed to provide a comprehensive solution for ignition system repairs in select Cadillac and Oldsmobile models. This kit includes all necessary components to ensure optimal engine performance and reliability. Each part within the kit is OE-quality, guaranteeing a precise fit and function. By choosing this all-in-one kit, you save valuable time and ensure a complete repair without the hassle of sourcing individual parts. Trust in the precision and reliability of Hitachi components for your ignition system needs.
Kit Contents
- 1 x Hitachi Ignition Coil – OE-quality performance for reliable ignition
- 1 x Hitachi Spark Plug – designed for optimal ignition and efficiency
- 1 x Hitachi Ignition Wire Set – ensures strong electrical connections
Choose Hitachi 5402003 kit for dependable performance, OE-level quality, and a complete repair solution every time you service your vehicle.
Cross Reference Numbers
This Hitachi 5402003 kit is equivalent to or replaces the following part numbers: AWSF32FM, L845-18-110, 003 159 04 03, AGSF 32FMF6, 5614212, 25161677, and many more.
Vehicle Compatibility
- Cadillac Seville 1998-1999 4.6 V8
- Oldsmobile Aurora 1995-1999 4.0 V8
This kit also fits other applications. Please use the vehicle selector tool to verify compatibility before purchase.
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- Trusted by DIYers and pros for over 15 years
- Over 20 million auto parts shipped
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- Exclusive Kits That Fit™ – complete repair solutions with no guesswork
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Frequently Asked Questions
What’s Included in the Hitachi 5402003 kit?
The Hitachi 5402003 kit includes an ignition coil, spark plugs, and an ignition wire set, all designed for optimal performance and reliability in your vehicle's ignition system.
Is the Hitachi 5402003 kit easy to install?
Yes, the components in the Hitachi 5402003 kit are designed for straightforward installation, ensuring compatibility with your vehicle's ignition system.
Why should I choose the complete Hitachi 5402003 kit instead of individual parts?
Choosing the complete Hitachi 5402003 kit ensures all components are matched for optimal performance and reliability, which can often be overlooked when purchasing individual parts.
What vehicles does the Hitachi 5402003 kit fit?
This kit is specifically designed for 1998-1999 Cadillac Seville and 1995-1999 Oldsmobile Aurora models, among others. Always verify compatibility using our vehicle selector tool.
Are the components in the Hitachi 5402003 kit OEM quality?
Yes, each component in the Hitachi 5402003 kit meets or exceeds OEM specifications, providing the quality and reliability you expect from OE parts.
Order Hitachi 5402003 kit today for a complete, factory-correct solution that restores performance and reliability.
```- BrandHitachi
- ManufacturerHitachi
- MPN5402003-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) Twin-Tip
Ground Electrode Core Material : (Spark Plugs) Nickel
Ground Electrode Quantity : (Spark Plugs) 1
Ground Electrode Tip Design : (Spark Plugs) Platinum Twin-Tip
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) 1.0
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 - OE Part NumbersAWSF32FM, L845-18-110, L84518110, 1F22-18-110, 1F2218110, AWSF22FS, L341-18-110, L34118110, AGSF 42FMF6, AGSF42FMF6, AGSF 32FECF4, AGSF32FECF4, L303-18-110, L30318110, AGSF 32YPCF4, AGSF32YPCF4, AGSF32WM, AWSF32P, 003 159 04 03, 0031590403, XR842795, 003 159 28 03, 0031592803, AWSF32F, AWSF44EE, AGSF 32FMF4, AGSF32FMF4, GY01-18-110, GY0118110, AGSF 32WM1, AGSF32WM1, AWSF42C, ZZC2-18-110A, ZZC218110A, 1F22-18-110A, 1F2218110A, AGSF 22FS-M, AGSF22FSM, AWSF44C, AJ09-18-110, AJ0918110, AWSF 32PPF4, AWSF32PPF4, AGSF 32FS-M, AGSF32FSM, AGSF22FC, AGSF 22FC-M, AGSF22FCM, AGSF 32PMF6, AGSF32PMF6, 3L1Z 12405-AA, 3L1Z12405AA, AGSF 32Y-PCF4, AGSF 44FMF6, AGSF44FMF6, AGSF 22FM1, AGSF22FM1, 003 159 37 03, 0031593703, AWSF32PP, AWSF52, AWSF54C, 002 159 58 03, 0021595803, CGSF22F, AGSF 32FE-C, AGSF32FEC, AWSF42EE, AWSF 22FM1, AWSF22FM1, AGSF32YR, CGSF22N, AWSF32E, AGSF22F1, XR811790, AJTT-18-110, AJTT18110, AGSF42FM, AWSF32PM, AGSF 42EE-M, AGSF42EEM, AGSF32PM, AWSF44, AGSF 32YP-C, AGSF32YPC, AGSF 22F-1, AGSF22FM, 003 159 05 03, 0031590503, AJ57-18-110, AJ5718110, AWSF44P, AGSF32FM, AJ57-18-110A, AJ5718110A, 003 159 36 03, 0031593603, 002 159 57 03, 0021595703, XR819660, AWSF52C, AGSF 32N, AGSF32N, AGSF44FM, ZZN2-18-110, ZZN218110, AWSF 32PMF4, AWSF32PMF4, AGSF 32WMF4, AGSF32WMF4, AGSF 22FSMF4, AGSF22FSMF4, AGSF 42EEMF6, AGSF42EEMF6, AWSF22FM, AGSF 22FMF6, AGSF22FMF6, AGSF22PP, AGSF 22F1-M, AGSF22F1M, AGSF 32WM1F4, AGSF32WM1F4, AWSF42PP, AGSF 32PM4, AGSF32PM4, AWSF44PP, ZZN2-18-110D, ZZN218110D, AGSF 32PMF4, AGSF32PMF4, AGSF32W, AGSF32FS, AGSF 22PP-M, AGSF22PPM, AWSF32EE, GY02-18-110, GY0218110, C2S46895, AGSF 22PPMF6, AGSF22PPMF6, AWSF34PP
- Cross Reference Numbers5402003Kit, 5614212, 5614155, 700051, 25161677, 25166821, 12571535, 5614238, CH7855, 25173406, 19302723, 19300384, DR39, IT16TT, 6718051, 19301320, 5614289, 19256067, 5614284, 5614355, 5614281, 8-12571-164-0, 8125711640, QW1069, 48780, 5614158, 5614253, 12609877, 12591131, 7857, 12568387, 8-12621-258-0, 8126212580, 5614235, 25163148, 19301810, 19158002, 12556183, 12578277, 25333938, 8-25162-556-0, 8251625560, 8-25161-677-0, 8251616770, 19301807, 25162556, 700904, 19158037, 2X1564, 19301808, 5614236, 25332827, 25332828, 5614244, 5614230, 19238463, 12680072, 25320206, 25178637, 25161442, 19300749, 12571533, 8-19256-067-0, 8192560670, 118052, 8-19179-571-0, 8191795710, 25312442, 19308033, 748K, 19300875, 5614303, MSW1603, 10472401, 12 57 1164, 12571164, 96854, 718H, 19301812, 8-25165-715-0, 8251657150, 75778, 19244473, 25161444, 19301655, 19353734, 5613906, 8-19158-038-0, 8191580380, 748N, 19302729, 35-8147, 358147, 25165715, 5614224, 5613611, 19301813, 5614227, 25315018, GN10123, 19299585, 12607234, 19302728, 11-876M, 11876M, 88892834, 25164048, 19208535, 25162555, 97002, 5614283, 19302725, 25161678, 9754, 12621258
- Part TypeIgnition Kit
- Kit Content1 x Denso - (671-8051) Spark Plug Wire Set
4 x Hitachi - (IGC0102) Ignition Coils
8 x Denso - (4713) Spark Plugs - Iridium TT
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1999 | Cadillac | Seville | SLS (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: LD8, VIN: Y, Valves: 32, Notes: Gap 0.040 (Spark Plugs Note) |
| 1999 | Cadillac | Seville | STS (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: L37, VIN: 9, Valves: 32, Notes: Gap 0.040 (Spark Plugs Note) |
| 1999 | Oldsmobile | Aurora | Base (4.0 V8 GAS) | Aspiration: Naturally Aspirated, VIN: C, Valves: 32, Notes: Gap 0.040 (Spark Plugs Note) |
| 1998 | Cadillac | Seville | SLS (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: LD8, VIN: Y, Valves: 32, Notes: Gap 0.040 (Spark Plugs Note) |
| 1998 | Cadillac | Seville | STS (4.6 V8 GAS) | Aspiration: Naturally Aspirated, Engine: L37, VIN: 9, Valves: 32, Notes: Gap 0.040 (Spark Plugs Note) |
| 1998 | Oldsmobile | Aurora | Base (4.0 V8 GAS) | Aspiration: Naturally Aspirated, VIN: C, Valves: 32, Notes: Gap 0.040 (Spark Plugs Note) |
| 1995 | Oldsmobile | Aurora | Base (4.0 V8 GAS) | Aspiration: Naturally Aspirated, VIN: C, Valves: 32, Notes: Gap 0.040 (Spark Plugs Note) |
| 1996 | Oldsmobile | Aurora | Base (4.0 V8 GAS) | Aspiration: Naturally Aspirated, VIN: C, Valves: 32, Notes: Gap 0.040 (Spark Plugs Note) |
| 1997 | Oldsmobile | Aurora | Base (4.0 V8 GAS) | Aspiration: Naturally Aspirated, VIN: C, Valves: 32, Notes: Gap 0.040 (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.





