CARFOCALvehicle research
Research CarsCompareRankingsArticles
  1. Home›
  2. Manufacturers›
  3. Ram›
  4. 3500›
  5. 2021›
  6. Maintenance

2021 Ram 3500 Maintenance guide

v1.0Updated Jun 13, 2026·Ethan Miller4 Sources Analyzed22 Critical Recalls
MAINTENANCE SUMMARY

The 2021 Ram 3500 presents an average reliability score of 5.8, marked by a high recall count of 43, primarily concerning critical safety systems such as airbags and Electronic Stability Control. Despite zero consumer complaints, persistent electrical fire risks and potential airbag non-deployment issues warrant vigilant attention and adherence to recall remedies.

View Critical Issue: Electrical Fire Risk
Subscribe to Recall AlertsSubscribe to Recall Alerts

Reliability Score

6.3/ 10

Est. Annual Maintenance Cost

$300 - $500

TSBs & Recalls

87 TSBs | 43 Recalls

SummaryMaintenance & CostsCommon FailuresSymptoms & PreventionKeep ReadingFAQSources

CarFocal account required

Unlock the Full 2021 Ram 3500 Maintenance Guide

Create a free account to reveal the full service schedule, repair costs, and deeper diagnostic data.

Key Takeaways

  • Vigilance is required for potential electrical fire risks originating from the intake heater grid relay.
  • Airbag system integrity is paramount; ensure all related recalls are addressed.

2 more takeaways unlock below

Critical service intervals
Common failure analysis
Symptoms and prevention guidance
Related guides and deeper reading
Full data sources and methodology
Create a free account to unlock

Free account. No credit card required.

Already have an account? Log in

MethodologyHow we score →

Scores are derived from NHTSA recalls and owner complaints, normalized by vehicle segment averages.

We may earn a commission via links on this page.

Subscribe to Recall Alerts

Get notified when a new recall or important ownership update lands for the 2021 Ram 3500.

Free alerts based on U.S. recall data. Unsubscribe anytime.

Buyer Report

Full ownership breakdown for the 2021 Ram 3500.

Open buyer report

Shop Parts

Quick links for routine service and common repair parts.

  • 5W-30 Synthetic Oil
  • Oil Filter
  • Synthetic Oil
  • Cabin Air Filter
  • Transfer Case Fluid

We may earn a commission if you buy parts through our links. Learn more.

Carfocal

Automotive Research

Real data on vehicle reliability, safety, and ownership costs.

  • Used Car Research
  • Reliability Rankings
  • Buying Guides

  • Data Sources & Methodology
  • Editorial Standards
  • Contact
  • Privacy Policy
  • Legal Disclosures
  • Terms of Service

© 2026 Carfocal · All Rights Reserved